DDR4 RAM Actual Timings Full Comparison Grid
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TypeData RateTransfer TimeCommand RateCycle TimeCAS LatencyFirst Word (nanoseconds)N N N 2N+1N N N 2N+2N N N 2N+3N-1 N N 2N+1N-5 N N 2N+2N-7 N N 2N-3Second WordFourth WordEighth WordAvg Total TimingsAvg WordsSum of Avgs (for sorting)Note
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DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns124.99225.79226.62427.45625.37624.54419.5525.25.6166.44824.37765.56429.9416This end of the spectrum is more theoretical than realistic, though it would be awesome for some overclocker out there to prove that wrong
3
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns125.08826.28827.13627.98425.86425.01619.9285.35.7246.57224.84645.67130.5174
4
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns125.20826.90827.77628.64426.47425.60620.3985.4255.8596.72725.43245.8047531.23715
5
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns135.40827.87228.70429.53627.45626.62421.6325.6166.0326.86426.45765.9832.4376
6
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns135.51228.40829.25630.10427.98427.13622.0485.7246.1486.99626.96646.09533.0614
7
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns125.61629.01629.95230.88828.54827.61221.9965.856.3187.25427.42486.259533.6843
8
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns135.64229.07829.94630.81428.64427.77622.5685.8596.2937.16127.60246.2387533.84115
9
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns125.71229.51230.46431.41629.03628.08422.3725.956.4267.37827.89366.366534.2601
10
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns125.80830.00830.97631.94429.52428.55622.7486.056.5347.50228.36246.473534.8359
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DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns145.82429.95230.78431.61629.53628.70423.7126.0326.4487.2828.53766.39634.9336
12
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns145.93630.52831.37632.22430.10429.25624.1686.1486.5727.4229.08646.51935.6054
13
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns12631323330.529.523.56.256.757.7529.36.687535.9875
14
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns146.07631.24832.11632.98430.81429.94624.7386.2936.7277.59529.77246.6727536.44515
15
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns136.08431.35632.29233.22830.88829.95224.3366.3186.7867.72229.76486.727536.4923
16
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns136.18831.89232.84433.79631.41630.46424.7526.4266.9027.85430.27366.842537.1161
17
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns126.21632.11633.15234.18831.59830.56224.3466.4756.9938.02930.35486.9282537.28305
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DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns156.2432.03232.86433.69631.61630.78425.7926.4486.8647.69630.61766.81237.4296
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DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns136.29232.42833.39634.36431.94430.97625.1686.5347.0187.98630.78246.957537.7399
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DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns156.3632.64833.49634.34432.22431.37626.2886.5726.9967.84431.20646.94338.1494
21
DDR4-37333733 MT/s0.268 ns1866 MHz0.536 ns126.43233.23234.30435.37632.69631.62425.1926.77.2368.30831.40967.16938.5786
22
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns136.533.534.535.53332266.757.258.2531.87.187538.9875
23
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns156.5133.41834.28635.15432.98432.11626.9086.7277.1618.02931.94247.1067539.04915
24
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns146.55233.69634.63235.56833.22832.29226.6766.7867.2548.1932.10487.195539.3003
25
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns166.65634.11234.94435.77633.69632.86427.8726.8647.288.11232.69767.22839.9256
26
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns146.66434.27235.22436.17633.79632.84427.1326.9027.3788.3332.65367.318539.9721
27
DDR4-36003600 MT/s0.278 ns1800 MHz0.556 ns126.67234.47235.58436.69633.91632.80426.1326.957.5068.61832.58167.436540.0181
28
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns136.73434.70635.74236.77834.18833.15226.9366.9937.5118.54732.94487.4462540.39105
29
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns146.77634.84835.81636.78434.36433.39627.5887.0187.5028.4733.20247.441540.6439
30
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns166.78434.76835.61636.46434.34433.49628.4086.9967.428.26833.32647.36740.6934
31
DDR4-43804380 MT/s0.228 ns2190 MHz0.456 ns156.8435.11236.02436.93634.65633.74428.2727.0687.5248.43633.56167.46741.0286
Achieved by 250 pyo - https://youtu.be/D4jaaLt5qKY?t=5m35s
32
DDR4-34663466 MT/s0.288 ns1733 MHz0.577 ns126.91235.71236.86438.01635.13633.98427.0727.27.7768.92833.75367.70441.4576
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DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns166.94435.58836.45637.32435.15434.28629.0787.1617.5958.46334.11247.5407541.65315
34
DDR4-37333733 MT/s0.268 ns1866 MHz0.536 ns136.96835.91236.98438.05635.37634.30427.8727.2367.7728.84434.08967.70541.7946
35
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns14736373835.534.528.57.257.758.7534.37.687541.9875
Achieved by 250 pyo - https://www.youtube.com/watch?v=zc7WkLraNc4
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DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns157.0236.03636.97237.90835.56834.63229.0167.2547.7228.65834.44487.663542.1083
37
DDR4-34003400 MT/s0.294 ns1700 MHz0.588 ns127.05636.45637.63238.80835.86834.69227.6367.357.9389.11434.45687.864542.3213
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DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns177.07236.19237.02437.85635.77634.94429.9527.287.6968.52834.77767.64442.4216On Display at Computex 2018
39
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns157.1436.65237.60438.55636.17635.22429.5127.3787.8548.80635.03367.794542.8281
40
DDR4-33333333 MT/s0.300 ns1666 MHz0.600 ns127.237.238.439.636.635.428.27.58.19.335.168.02543.185
41
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns177.20836.88837.73638.58436.46435.61630.5287.427.8448.69235.44647.79143.2374
42
DDR4-36003600 MT/s0.278 ns1800 MHz0.556 ns137.22837.25238.36439.47636.69635.58428.9127.5068.0629.17435.36167.992543.3541
43
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns147.25237.29638.33239.36836.77835.74229.5267.5118.0299.06535.53487.9642543.49905
44
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns157.2637.26838.23639.20436.78435.81630.0087.5027.9868.95435.62247.925543.5479
45
DDR4-33003300 MT/s0.303 ns1650 MHz0.606 ns127.27237.57238.78439.99636.96635.75428.4827.5758.1819.39335.51168.1052543.61685
46
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns177.37837.75838.62639.49437.32436.45631.2487.5958.0298.89736.28247.9747544.25715
47
DDR4-34663466 MT/s0.288 ns1733 MHz0.577 ns137.48838.59239.74440.89638.01636.86429.9527.7768.3529.50436.63368.2844.9136
48
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns167.48838.37639.31240.24837.90836.97231.3567.7228.199.12636.78488.131544.9163
49
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns187.48838.27239.10439.93637.85637.02432.0327.6968.1128.94436.85768.0644.9176
50
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns157.538.539.540.53837317.758.259.2536.88.187544.9875
51
DDR4-37333733 MT/s0.268 ns1866 MHz0.536 ns147.50438.59239.66440.73638.05636.98430.5527.7728.3089.3836.76968.24145.0106
52
DDR4-32003200 MT/s0.313 ns1600 MHz0.625 ns127.51238.81240.06441.31638.18636.93429.4227.8258.4519.70336.68368.3727545.05635
53
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns167.61639.03239.98440.93638.55637.60431.8927.8548.339.28237.41368.270545.6841
54
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns187.63239.00839.85640.70438.58437.73632.6487.8448.2689.11637.56648.21545.7814
55
DDR4-34003400 MT/s0.294 ns1700 MHz0.588 ns137.64439.39640.57241.74838.80837.63230.5767.9388.5269.70237.39688.452545.8493
56
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns167.74439.68840.65641.62439.20438.23632.4287.9868.479.43838.04248.409546.4519
57
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns157.7739.88640.92241.95839.36838.33232.1168.0298.5479.58338.12488.4822546.60705
58
DDR4-36003600 MT/s0.278 ns1800 MHz0.556 ns147.78440.03241.14442.25639.47638.36431.6928.0628.6189.7338.14168.548546.6901
59
DDR4-33333333 MT/s0.300 ns1666 MHz0.600 ns137.840.241.442.639.638.431.28.18.79.938.168.62546.785
60
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns187.81239.92840.79641.66439.49438.62633.4188.0298.4639.33138.45248.4087546.86115
61
DDR4-46004600 MT/s0.217 ns1300 MHz0.434 ns187.81239.92840.79641.66439.49438.62633.4188.0298.4639.33138.45248.4087546.86115On Display at Computex 2018
62
DDR4-33003300 MT/s0.303 ns1650 MHz0.606 ns137.87840.60241.81443.02639.99638.78431.5128.1818.7879.99938.54168.7112547.25285
63
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns197.90440.35241.18442.01639.93639.10434.1128.1128.5289.3638.93768.47647.4136
64
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns177.95640.71641.65242.58840.24839.31233.6968.198.6589.59439.12488.599547.7243
$894 - https://smile.amazon.com/dp/B07CW3YN6S/ or $764 - https://www.newegg.com/Product/Product.aspx?Item=N82E16820232678
65
DDR4-30003000 MT/s0.333 ns1500 MHz0.667 ns127.99241.29242.62443.95640.62639.29431.3028.3258.99110.32339.02768.9077547.93535
66
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns16841424340.539.533.58.258.759.7539.38.687547.9875
67
DDR4-37333733 MT/s0.268 ns1866 MHz0.536 ns158.0441.27242.34443.41640.73639.66433.2328.3088.8449.91639.44968.77748.2266
68
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns198.05641.12841.97642.82440.70439.85634.7688.2688.6929.5439.68648.63948.3254
https://www.corsair.com/us/en/Categories/Products/Memory/Vengeance-PRO-RGB-Black/p/CMW16GX4M2K4700C19
69
DDR4-34663466 MT/s0.288 ns1733 MHz0.577 ns148.06441.47242.62443.77640.89639.74432.8328.3528.92810.0839.51368.85648.3696
70
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns178.09241.41242.36443.31640.93639.98434.2728.338.8069.75839.79368.746548.5401
71
DDR4-32003200 MT/s0.313 ns1600 MHz0.625 ns138.13841.94243.19444.44641.31640.06432.5528.4519.07710.32939.81368.9987548.81235
72
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns178.22842.10843.07644.04441.62440.65634.8488.478.9549.92240.46248.893549.3559
$704 - https://www.newegg.com/Product/Product.aspx?Item=N82E16820232677 or $1000 - https://smile.amazon.com/G-SKILL-TridentZ-4x8GB-3000MHz-F4-4133C17Q-32GTZR/dp/B07BGBN24B/ref=sr_1_50
73
DDR4-34003400 MT/s0.294 ns1700 MHz0.588 ns148.23242.33643.51244.68841.74840.57233.5168.5269.11410.2940.33689.040549.3773
74
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns198.24642.09842.96643.83441.66440.79635.5888.4638.8979.76540.62248.8427549.46515
75
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns168.28842.47643.51244.54841.95840.92234.7068.5479.06510.10140.71489.0002549.71505
76
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns208.3242.43243.26444.09642.01641.18436.1928.5288.9449.77641.01768.89249.9096
77
DDR4-36003600 MT/s0.278 ns1800 MHz0.556 ns158.3442.81243.92445.03642.25641.14434.4728.6189.17410.28640.92169.104550.0261
78
DDR4-33333333 MT/s0.300 ns1666 MHz0.600 ns148.443.244.445.642.641.434.28.79.310.541.169.22550.385
79
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns188.42443.05643.99244.92842.58841.65236.0368.6589.12610.06241.46489.067550.5323
80
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns208.4843.24844.09644.94442.82441.97636.8888.6929.1169.96441.80649.06350.8694
81
DDR4-33003300 MT/s0.303 ns1650 MHz0.606 ns148.48443.63244.84446.05643.02641.81434.5428.7879.39310.60541.57169.3172550.88885
82
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns178.543.544.545.54342368.759.2510.2541.89.187550.9875
$639 - https://www.newegg.com/Product/Product.aspx?Item=N82E16820232675 or $638 https://www.newegg.com/Product/Product.aspx?Item=N82E16820232674
83
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns188.56843.79244.74445.69643.31642.36436.6528.8069.28210.23442.17369.222551.3961
84
DDR4-37333733 MT/s0.268 ns1866 MHz0.536 ns168.57643.95245.02446.09643.41642.34435.9128.8449.3810.45242.12969.31351.4426
85
DDR4-34663466 MT/s0.288 ns1733 MHz0.577 ns158.6444.35245.50446.65643.77642.62435.7128.9289.50410.65642.39369.43251.8256
86
DDR4-30003000 MT/s0.333 ns1500 MHz0.667 ns138.65844.62245.95447.28643.95642.62434.6328.9919.65710.98942.35769.5737551.93135
87
DDR4-46004600 MT/s0.217 ns2300 MHz0.434 ns208.6844.26845.13646.00443.83442.96637.7588.8979.33110.19942.79249.2767552.06915
88
DDR4-41334133 MT/s0.242 ns2066 MHz0.484 ns188.71244.52845.49646.46444.04443.07637.2688.9549.43810.40642.88249.377552.2599
89
DDR4-48004800 MT/s0.208 ns2400 MHz0.417 ns218.73644.51245.34446.17644.09643.26438.2728.9449.3610.19243.09769.30852.4056
90
DDR4-32003200 MT/s0.313 ns1600 MHz0.625 ns148.76445.07246.32447.57644.44643.19435.6829.0779.70310.95542.94369.6247552.56835
$534 - https://smile.amazon.com/G-SKILL-TridentZ-288-Pin-SDRAM-F4-3200C14D-16GTZR/dp/B06XFH6R73/ref=sr_1_11 or https://smile.amazon.com/G-Skill-TridentZ-3200Mhz-PC4-25600-Channel/dp/B072M52CY5/ref=sr_1_20
91
DDR4-38663866 MT/s0.259 ns1933 MHz0.517 ns178.80645.06646.10247.13844.54843.51237.2969.0659.58310.61943.30489.5182552.82305
92
DDR4-34003400 MT/s0.294 ns1700 MHz0.588 ns158.8245.27646.45247.62844.68843.51236.4569.1149.70210.87843.27689.628552.9053
93
DDR4-42664266 MT/s0.234 ns2133 MHz0.469 ns198.89245.39646.33247.26844.92843.99238.3769.1269.59410.5343.80489.535553.3403
$598 - https://www.newegg.com/Product/Product.aspx?Item=N82E16820232497 or $778 - https://smile.amazon.com/G-SKILL-TridentZ-288-Pin-4266MHz-F4-4266C19D-16GTZR/dp/B01MZ8R8WQ/ref=sr_1_11
94
DDR4-36003600 MT/s0.278 ns1800 MHz0.556 ns168.89645.59246.70447.81645.03643.92437.2529.1749.7310.84243.70169.660553.3621
$532 - https://smile.amazon.com/G-SKILL-TridentZ-288-Pin-3600MHz-F4-3600C16D-16GTZR/dp/B01MR4Y3JE/ref=sr_1_7
95
DDR4-47004700 MT/s0.212 ns2350 MHz0.424 ns218.90445.36846.21647.06444.94444.09639.0089.1169.5410.38843.92649.48753.4134
96
DDR4-26662666 MT/s0.375 ns1333 MHz0.750 ns12946.54849.545.7544.2535.259.37510.12511.62543.9510.0312553.98125
97
DDR4-33333333 MT/s0.300 ns1666 MHz0.600 ns15946.247.448.645.644.437.29.39.911.144.169.82553.985
98
DDR4-40004000 MT/s0.250 ns2000 MHz0.500 ns18946474845.544.538.59.259.7510.7544.39.687553.9875
$618 - https://www.newegg.com/Product/Product.aspx?Item=N82E16820232495 or $900 - https://smile.amazon.com/G-SKILL-TridentZ-PC4-32000-4000Mhz-F4-4000C18Q-32GTZR/dp/B07BF3TM6G/ref=sr_1_51
99
DDR4-42004200 MT/s0.238 ns2100 MHz0.476 ns199.04446.17247.12448.07645.69644.74439.0329.2829.75810.7144.55369.698554.2521
100
DDR4-33003300 MT/s0.303 ns1650 MHz0.606 ns159.0946.66247.87449.08646.05644.84437.5729.3939.99911.21144.60169.9232554.52485
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