Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 730 v2 MSI OC 1GB Edition GeForce GT 640 v3 Zotac 2GB Edition
Red Dead Redemption 2 537% 529%
Cyberpunk 2077 775% 765%
Doom Eternal 448% 441%
Dragon Ball Z Kakarot 293% 288%
Call of Duty: Modern Warfare 537% 529%
Microsoft Flight Simulator 775% 765%
FIFA 20 239% 235%
Grand Theft Auto VI 873% 862%
Star Wars: Jedi - Fallen Order 775% 765%
Need For Speed Heat 537% 529%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 640 v3 Zotac 2GB Edition are marginally better than the Nvidia GeForce GT 730 v2 MSI OC 1GB Edition.

The GT 640 has a 40 MHz higher core clock speed and the same number of Texture Mapping Units as the GT 730. This results in the GT 640 providing 0.6 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GT 640 has a 40 MHz higher core clock speed than the GT 730 and the same number of Render Output Units. This results in the GT 640 providing 0.4 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GT 730 was released over a year more recently than the GT 640, and so the GT 730 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GT 640.

The GT 640 has 1024 MB more video memory than the GT 730, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the GT 730 has superior memory performance.

The memory bandwidth of the GeForce GT 730 v2 MSI OC 1GB Edition and the GeForce GT 640 v3 Zotac 2GB Edition are the same, which means the GT 730 and the GT 640 have equal limitations when it comes to graphical data transfer.

Both the GeForce GT 730 v2 MSI OC 1GB Edition and the GeForce GT 640 v3 Zotac 2GB Edition have 384 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the GT 640 is 402 and by the GT 730 is 402. Knowing that the shader performance of the GT 640 is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GeForce GT 730 v2 MSI OC 1GB Edition requires 49 Watts to run and the GeForce GT 640 v3 Zotac 2GB Edition requires 49 Watts. We would recommend a PSU with at least 300 Watts for the GT 730 and a PSU with at least 350 Watts for the GT 640. The two GPUs require the same amount of wattage to run. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1006 MHzvs1046 MHz
Boost Clock-vs-
ArchitectureKepler GK208-301-A1Kepler GK208-400-A1
OC Potential Poor vs Poor
Driver Support Good vs Good
Release Date18 Jun 2014vs29 May 2013
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
6.5
green tick vs -
1600x900
5.2
green tick vs green tick
5.2
1920x1080
3.9
green tick vs green tick
3.9
2560x1440
2.6
green tick vs green tick
2.6
3840x2160
1.8
green tick vs green tick
1.8

GPU Memory

Memory1024 MBvs2048 MB
Memory Speed1253 MHzvs1252 MHz
Memory Bus64 Bitvs64 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth40.1GB/secvs40.1GB/sec
L2 Cache 128 KB green tick vs green tick 128 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units384vs384
Actual Shader Performance19%vs19%
Technology28nmvs28nm
Texture Mapping Units16vs16
Texture Rate16.1 GTexel/svs16.7 GTexel/s
Render Output Units8vs8
Pixel Rate8 GPixel/svs8.4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections1vs1
DVI Connections1vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power49 Wattsvs49 Watts
Recommended PSU300 Watts & 22 Ampsvs350 Watts & 26 Amps

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i3-4130 3.4GHzvsIntel Core i3-3220 3.3GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 730 v2 MSI OC 1GB Edition is a Special Edition of NVIDIA's Middle-Class GeForce GT 730 v2, created by MSI.

Overclock: Central Unit
The Central Unit now runs at 1006MHz, instead of 902MHz.

Overclock: Memory Clock
The Operating Memory Clock and the Frame Buffer remain the same.

Cooling Solution
The reference NVIDIA Cooling System remains the same.

Performance
Benchmarks indicate a 5% performance over the reference GeForce GT 730 v2.
Overview
GeForce GT 640 v3 Zotac 2GB Edition is a special edition of NVIDIA's Middle-Class GeForce GT 640 v3, created by Zotac.

Overclock: Central Unit
The Central Unit runs at the same speed.

Overclock: Memory Clock
The Operating Memory Clock and the Frame Buffer remain the same.

Cooling Solution
The Cooling System has been replaced by Zotac's Silent Cooling Solution.

Performance
Without Overclocking Out of The Box, GeForce GT 640 v3 Zotac 2GB Edition is as fast as the reference GeForce GT 640 v3.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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