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Gaming Performance Comparison

Recommended System Requirements
Game GeForce 8800 GTS 640MB GeForce GT 630 Palit 2GB Edition
Grand Theft Auto V 297% 403%
Battlefield: Hardline 362% 485%
Pillars of Eternity 184% 259%
The Witcher III 500% 659%
Assassins Creed: Rogue 200% 279%
Cities: Skylines 297% 403%
Dying Light 605% 792%
Batman: Arkham Knight 184% 259%
Mortal Kombat X 297% 403%
Star Citizen 791% 1028%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 8800 GTS 640MB are noticeably better than the Nvidia GeForce GT 630 Palit 2GB Edition.

The GT 630 has a 267 MHz higher core clock speed but 8 fewer Texture Mapping Units than the 8800 GTS. The lower TMU count doesn't matter, though, as altogether the GT 630 manages to provide 0.2 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 630 has a 267 MHz higher core clock speed than the 8800 GTS, but the 8800 GTS has 16 more Render Output Units than the GT 630. As a result, the 8800 GTS exhibits a 7.2 GPixel/s better Pixel Fill Rate than the GT 630. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GT 630 was released less than a year after the 8800 GTS, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GT 630 has 1408 MB more video memory than the 8800 GTS, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the 8800 GTS has superior memory performance.

The 8800 GTS has 46.3 GB/sec greater memory bandwidth than the GT 630, which means that the memory performance of the 8800 GTS is noticeably better than the GT 630.

Both the GeForce 8800 GTS 640MB and the GeForce GT 630 Palit 2GB Edition have 96 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the . Knowing that the shader performance of the GT 630 is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GT 630 transistor size technology is 50 nm (nanometers) smaller than the 8800 GTS. This means that the GT 630 is expected to run much cooler and achieve higher clock frequencies than the 8800 GTS.

The GeForce 8800 GTS 640MB requires 143 Watts to run and the GeForce GT 630 Palit 2GB Edition requires 65 Watts. We would recommend a PSU with at least 400 Watts for the 8800 GTS and a PSU with at least 300 Watts for the GT 630. The 8800 GTS requires 78 Watts more than the GT 630 to run. The difference is significant enough that the 8800 GTS may have an adverse affect on your yearly electricity bills in comparison to the GT 630.

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GPU Core Details

Core Speed513 MHzvs780 MHz
ArchitectureTesla G80Fermi GF108-400-A1
Notebook GPUnono
Release Date01 Nov 200615 May 2012
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - vs green tick
1920x1080 - vs green tick
2560x1440 - vs green tick
3840x2160 - vs green tick

GPU Memory

Memory640 MBvs2048 MB
Memory Speed792 MHzvs535 MHz
Memory Bus320 Bitvs128 Bit
Memory TypeGDDR3vsDDR3
Memory Bandwidth63.4GB/secvs17.1GB/sec
L2 Cache - vs green tick 256 KB

GPU Display

Shader Processing Units96vs96
Actual Shader Performance123vs150
Texture Mapping Units24vs16
Texture Rate12.3 GTexel/svs12.5 GTexel/s
Render Output Units20vs4
Pixel Rate10.3 GPixel/svs3.1 GPixel/s

GPU Display Tech

Shader Model4.0vs5.0
Open GL2.1vs4.2
Max Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs1
DVI Connections2vs1
HDMI Connections0vs1

GPU Power Requirements

Max Power143 Wattsvs65 Watts

GPU Supporting Hardware

Recommended RAM4 GBvs4 GB
Recommended Screen Size1440x9001366x768
Recommended PSU400 Watts & 26 Ampsvs300 Watts & 22 Amps

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce 8800 GTS 640MB is a high-end GFX based on the 90nm variant of the first-shader unified architecture.
It's based on the G80 Core and offers 96 Shader Processing Units, 24 TMUs and 20 ROPs, on a 320-bit memory interface of GDDR3. The central unit runs at 513MHz and the memory clock operates 792MHz. It will consume no more than 143 Watt.
Technically, next in series, when compared to GeForce 8800 GT, it performs worse as the amount of Shader Processing Units and TMUs was reduced and the GPU comes under-clocked, in exchange for a wider bus-width and extra video memory.
Today's modern demanding games can be played at medium (most) or high settings (some) smoothly. However, DirectX 11 based games aren't supported.
GeForce GT 630 Palit 2GB Edition is a special edition of NVIDIA's Middle-Class GeForce GT 630, created by Palit.

Overclock: Central Unit
The Central Unit runs at 780MHz.

Overclock: Memory Clock
The Operating Memory Clock runs at 535MHz and the Frame Buffer was raised to 2GB. This is a gimmick and in no way benefits the GPU.

Cooling Solution
The Cooling System Remains The Same.

Due to being under-clocked, GeForce GT 630 Palit 2GB Edition is actually slower than the reference GeForce GT 630.
Recommended CPUAMD Athlon 5200B Dual Core
AMD Opteron 185
AMD Athlon 4850B Dual Core
Intel Celeron E1600 Dual-Core 2.4GHz
AMD Opteron 1218 HE
AMD Athlon 64 FX-60 Dual Core
Intel Pentium Dual Core E6800 3.33GHz
Intel Core 2 Duo E4500 2.2GHz
AMD Athlon II X2 280
AMD Athlon 64 X2 Dual Core 5000+
Possible GPU UpgradesGeForce GTX 460 Gainward GS-GLH Edition
Radeon R7 260X v2 PowerColor OC 1GB Edition
Radeon HD 7790 Club3D 13 Series Edition
Radeon HD 7790 MSI 1GB OC Edition
GeForce GTX 460 Sonic Platinum Edition
Radeon R7 260X XFX Double D 2GB Edition
Radeon R7 260X
Radeon HD 6870 XFX DD XXX Edition
Radeon HD 6870 XFX Black Edition
Radeon HD 6870 Sapphire Dirt3 Edition
GPU Variants--