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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 640 v3 Zotac 2GB Edition FirePro V5900
Red Dead Redemption 2 529% 543%
Cyberpunk 2077 765% 783%
Doom Eternal 441% 453%
Dragon Ball Z Kakarot 288% 297%
Call of Duty: Modern Warfare 529% 543%
Microsoft Flight Simulator 765% 783%
FIFA 20 235% 243%
Grand Theft Auto VI 862% 883%
Star Wars: Jedi - Fallen Order 765% 783%
Need For Speed Heat 529% 543%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 640 v3 Zotac 2GB Edition are marginally better than the AMD FirePro V5900.

The GT 640 has a 446 MHz higher core clock speed than the FirePro V5900, but the FirePro V5900 has 16 more Texture Mapping Units than the GT 640. As a result, the FirePro V5900 exhibits a 2.5 GTexel/s better Texture Fill Rate than the GT 640. 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 446 MHz higher core clock speed than the FirePro V5900, but the FirePro V5900 has 24 more Render Output Units than the GT 640. As a result, the FirePro V5900 exhibits a 10.8 GPixel/s better Pixel Fill Rate than the GT 640. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GT 640 was released over a year more recently than the FirePro V5900, and so the GT 640 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the FirePro V5900.

The GeForce GT 640 v3 Zotac 2GB Edition and the FirePro V5900 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The FirePro V5900 has 87.9 GB/sec greater memory bandwidth than the GT 640, which means that the memory performance of the FirePro V5900 is much better than the GT 640.

The GeForce GT 640 v3 Zotac 2GB Edition has 384 Shader Processing Units and the FirePro V5900 has 512. However, the actual shader performance of the GT 640 is 402 and the actual shader performance of the FirePro V5900 is 200. The GT 640 having 202 better shader performance is not particularly notable, as altogether the FirePro V5900 performs better when taking into account other relevant data.

The GT 640 transistor size technology is 12 nm (nanometers) smaller than the FirePro V5900. This means that the GT 640 is expected to run slightly cooler and achieve higher clock frequencies than the FirePro V5900. While they exhibit similar graphical performance, the GT 640 should consume less power than the FirePro V5900.

The GeForce GT 640 v3 Zotac 2GB Edition requires 49 Watts to run and the FirePro V5900 requires 75 Watts. We would recommend a PSU with at least 350 Watts for the GT 640 and a PSU with at least 400 Watts for the FirePro V5900. The FirePro V5900 requires 26 Watts more than the GT 640 to run. The difference is not significant enough for the FirePro V5900 to have a noticeably larger impact on your yearly electricity bills than the GT 640.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1046 MHzvs600 MHz
Boost Clock-vs-
ArchitectureKepler GK208-400-A1Cayman LE GL
OC Potential Poor vs Fair
Driver Support Good vs -
Release Date29 May 2013vs24 May 2011
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

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

GPU Memory

Memory2048 MBvs2048 MB
Memory Speed1252 MHzvs1000 MHz
Memory Bus64 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth40.1GB/secvs128GB/sec
L2 Cache 128 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units384vs512
Actual Shader Performance19%vs10%
Technology28nmvs40nm
Texture Mapping Units16vs32
Texture Rate16.7 GTexel/svs19.2 GTexel/s
Render Output Units8vs32
Pixel Rate8.4 GPixel/svs19.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections1vs0
DVI Connections1vs1
HDMI Connections1vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power49 Wattsvs75 Watts
Recommended PSU350 Watts & 26 Ampsvs400 Watts

GPU Features

DirectX12.0vs11
Shader Model5.0vs5.0
Open GL4.5vs4.1
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i3-3220 3.3GHz-
Recommended RAM8 GB-
Maximum Recommended Gaming Resolution1366x768-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
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.
FirePro C5900 is a server Graphics Card based on the 40nm Terascale 2 architecture.
It's based on the Cayman Core (related to Radeon HD 6950) and therefore offers 512 Shader Processing Units, 32 TMUs and 32 ROPs on a 256-bit interface of fast GDDR5. The central unit is clocked 600MHz while the memory clock operates at 1000MHZ.
Despite featuring a Cayman Core, its LE variant features over 100% less Shader Processing Units and thus its performance lies between Radeon HD 6670 and Radeon HD 6750.
Recommended CPU
-
Possible GPU Upgrades
-
GPU Variants
-
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