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Corsair Vengeance LPX CMK16GX4M2B3200C16 vs Corsair Vengeance LPX CMK32GX4M2E3200C16: Comparison
Vengeance LPX CMK16GX4M2B3200C16 vs Vengeance LPX CMK32GX4M2E3200C16: the capacity difference
On capacity the spread is 50%, Vengeance LPX CMK16GX4M2B3200C16 16 GB against Vengeance LPX CMK32GX4M2E3200C16 32 GB, so Vengeance LPX CMK32GX4M2E3200C16 takes it. Vengeance LPX CMK32GX4M2E3200C16 also leads on capacity per module, 8 GB on the Vengeance LPX CMK16GX4M2B3200C16 versus 16 GB on the Vengeance LPX CMK32GX4M2E3200C16.
Vengeance LPX CMK16GX4M2B3200C16 vs Vengeance LPX CMK32GX4M2E3200C16: which one fits your build
Take the Vengeance LPX CMK16GX4M2B3200C16 for you need 16GB of DDR4 and you're tight on clearance under a 120mm or 140mm tower cooler. The same goes for you're on Ryzen 3000 or 5000, where 3200 is AMD's spec and DOCP does the rest. It is the wrong buy for you're building new. Go DDR5, this is an end-of-life platform. The Vengeance LPX CMK32GX4M2E3200C16 suits DDR4 upgrades from 16GB to 32GB and Ryzen AM4 builds running 3200 at 1:1 fabric, though it is not built for new 2026 builds, which should be DDR5 and memory tuners and manual timing overclockers.
Where the two are identical
Everything else lines up. Speed, cas latency, true latency, oc profile and voltage read the same on both, so those are not worth weighing. They match on 18 further specifications as well.
Read the full breakdown: Corsair RAM Part Numbers: What the B, E and Z Actually Change
Frequently asked questions
Do the Vengeance LPX CMK16GX4M2B3200C16 and Vengeance LPX CMK32GX4M2E3200C16 differ on platform optimisation?
Yes. Platform Optimisation reads Intel 200-600 series, X299; AMD 300-500 series, X570 on the Vengeance LPX CMK16GX4M2B3200C16 versus Intel and AMD DDR4 on the Vengeance LPX CMK32GX4M2E3200C16.
Is the ECC the same on the Vengeance LPX CMK16GX4M2B3200C16 and Vengeance LPX CMK32GX4M2E3200C16?
It is. Both are listed at No, so it is not a reason to pick one over the other.
Specs and benchmarks
Speed Score
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 8.0/10Best
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 8.0/10Best
How fast this kit is for its memory type, rated from its speed and latency. 10 is the fastest.
DDR Generation
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- DDR4
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- DDR4
Brand
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Corsair
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Corsair
Capacity
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 16 GB-50%
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 32 GBBest
Part Number
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- CMK16GX4M2B3200C16
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- CMK32GX4M2E3200C16
Speed
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 3200 MT/s
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 3200 MT/s
Series
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Vengeance LPX
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Vengeance LPX
CAS Latency
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 16
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 16
Module Count
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 2
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 2
RAM Segment
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Desktop DDR4
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Desktop DDR4
Voltage
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 1.35 V
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 1.35 V
Form Factor
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Desktop DIMM
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Desktop DIMM
RGB Lighting
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- No
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- No
Buffering
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- No, Unbuffered
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- No, Unbuffered
Pin Count
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 288
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 288
Platform Optimisation
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Intel 200-600 series, X299; AMD 300-500 series, X570
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Intel and AMD DDR4
Capacity Per Module
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 8 GB-50%
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 16 GBBest
Timing String
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 16-18-18-36
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 16-20-20-38
True Latency
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 10.0 ns
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 10.0 ns
XMP Support
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Yes
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Yes
XMP Version
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- XMP 2.0
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- XMP 2.0
EXPO Support
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- No
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- No
Memory IC
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Varies by module version: ver 3.xx Micron, ver 4.xx Samsung, ver 5.xx SK Hynix
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Undisclosed
ECC
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- No
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- No
Heatspreader
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Anodized Aluminum, Low Profile
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Anodized Aluminum, Low Profile
Module Height
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 33.5 mm
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 33.5 mm
Colour
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Black
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Black, White, Blue, Red
Warranty
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Limited Lifetime
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Limited Lifetime
Bandwidth
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- PC4-25600
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- PC4-25600
AMD Support
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 300/400/500-series, X570
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- DOCP / AMP (board-dependent)
PCB
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- Eight-layer
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- Eight-Layer
Module Length
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 135mm
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 135mm
Module Thickness
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 7mm
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 7mm
OC Profile
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- XMP 2.0
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- XMP 2.0
Peak Bandwidth
- Corsair Vengeance LPX CMK16GX4M2B3200C16
- 51.2 GB/sBest
- Corsair Vengeance LPX CMK32GX4M2E3200C16
- 51.2 GB/sBest
Which one should you pick?
Choose Corsair Vengeance LPX CMK16GX4M2B3200C16 if you want the higher speed (3200 MT/s vs 3200 MT/s), the lower CAS latency (16 vs 16) and the lower voltage (1.35 V vs 1.35 V).
Choose Corsair Vengeance LPX CMK32GX4M2E3200C16 if you want the higher capacity (32 GB vs 16 GB) and the higher capacity per module (16 GB vs 8 GB).
Price comparison
| Retailer | Corsair Vengeance LPX CMK16GX4M2B3200C16 | Corsair Vengeance LPX CMK32GX4M2E3200C16 |
|---|---|---|
| Corsair Store | View on Corsair Store | |
| Newegg | View on Newegg | View on Newegg |
| Amazon | View on Amazon | View on Amazon |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
Corsair Vengeance LPX CMK16GX4M2B3200C16
7 / 10 Expert Rating
Buy it if you need 16GB of DDR4 and you're squeezed for clearance under a tower cooler.
Corsair Vengeance LPX CMK32GX4M2E3200C16
8 / 10 Expert Rating
The safest 32GB DDR4 upgrade you can buy.
More comparisons in RAM
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