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Compare CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz vs VENGEANCE 64GB (2x32GB) DDR5 6800MHz

The main differences between CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz and CORSAIR VENGEANCE 64GB (2x32GB) DDR5 6800MHz are in Speed, Size, CAS Latency and Timing.

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CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz

CORSAIR VENGEANCE 64GB (2x32GB) DDR5 6800MHz

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Brand

Corsair

Brand

Corsair

Model

CMK128GX5M2B6400C42

Model

CMK64GX5M2X6800C32

Release Date

📅 May 2025

Release Date

📅 August 2023

* First availability for purchase, it may not correspond to the actual market launch date.

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Price history

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Price history

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Price/GB

$12.50

Price/GB

$3.75

GB/$1

0.08

GB/$1

0.27

Samsung B-Die

No

Samsung B-Die

No

Compatible PC parts

Motherboards ►

Compatible PC parts

Motherboards ►

Type

288-pin DDR5 DIMM

Type

288-pin DDR5 DIMM

Speed

DDR5-6400 MHz

Speed

DDR5-6800 MHz

Size

128GB (2 x 64GB)

Size

64GB (2 x 32GB)

CAS Latency

42

CAS Latency

32

Timing

42-52-52-104

Timing

32-40-40-96

First Word Latency

13.12 ns

First Word Latency

9.41 ns

Voltage

1.35 V

Voltage

1.45 V

Heat Spreader

Yes

Heat Spreader

Yes

ECC Support

No

ECC Support

No

Color

Black

Color

Black

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Options (2)

	96GB (2x48GB) $1,479.99
	32GB (2x16GB) $234.99

Comparison and key differences summary

Reasons to buy the CORSAIR Vengeance 128GB (2x64GB) DDR5 6400MHz:

Newer Product, it was released around 21 months later
Less voltage required (-0.10 V needed)
More Capacity (+64 GB available)

Reasons to buy the CORSAIR VENGEANCE 64GB (2x32GB) DDR5 6800MHz:

87% cheaper, you can save $1,540.00
Less CAS latency (-10)
Better first word latency (-3.71 ns)
Higher speed frequency (+400 MHz)

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