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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 650 1GB are marginally better than the AMD Radeon HD 7750 1GB GDDR5.

The GTX 650 has a 258 MHz higher core clock speed and the same number of Texture Mapping Units as the HD 7750. This results in the GTX 650 providing 8.3 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 GTX 650 has a 258 MHz higher core clock speed than the HD 7750 and the same number of Render Output Units. This results in the GTX 650 providing 4.1 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 GTX 650 was released less than a year after the HD 7750, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GeForce GTX 650 1GB and the Radeon HD 7750 1GB GDDR5 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The GTX 650 has 8 GB/sec greater memory bandwidth than the HD 7750, which means that the memory performance of the GTX 650 is marginally better than the HD 7750.

The GeForce GTX 650 1GB has 384 Shader Processing Units and the Radeon HD 7750 1GB GDDR5 has 512. However, the actual shader performance of the HD 7750 is 332.8. The GTX 650 having 51.2 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 650 delivers a marginally smoother and more efficient experience when processing graphical data than the HD 7750.

The GeForce GTX 650 1GB requires 64 Watts to run and the Radeon HD 7750 1GB GDDR5 requires 55 Watts. We would recommend a PSU with at least 400 Watts for the GTX 650 and a PSU with at least 400 Watts for the HD 7750. The GTX 650 requires 9 Watts more than the HD 7750 to run. The difference is not significant enough for the GTX 650 to have a noticeably larger impact on your yearly electricity bills than the HD 7750.

GPU Core Details

Core Speed1058 MHzvs800 MHz
ArchitectureKepler GK107Cape Verde Pro
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Release Date01 Sep 201215 Feb 2012
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed1250 MHzvs1125 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth80GB/secvs72GB/sec
Comparison

GPU Display

Shader Processing Units384vs512
Actual Shader Performance384vs332.8
Technology28nmvs28nm
Texture Mapping Units32vs32
Texture Rate33.9 GTexel/svs25.6 GTexel/s
Render Output Units16vs16
Pixel Rate16.9 GPixel/svs12.8 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.3vs4.2
Max Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs1
DVI Connections2vs1
HDMI Connections1vs1
Comparison

GPU Power Requirements

Max Power64 Wattsvs55 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1600x9001600x900
Recommended PSU400 Watts & 20 Ampsvs400 Watts & 18 Amps

Gaming Performance Value

The Elder Scrolls Vvs
Battlefield 3vs
Borderlands 2vs
Grand Theft Auto IVvs
Batman: Arkham Cityvs
Performance Value

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GPU Mini Review

Mini ReviewGeForce GTX 650 1GB is a fast-middle-class GFX based on the 28nm Kepler architecture.
It's based on the Kepler GK107 Core (same used on GT 640) with a count of 384 CUDA Cores (just like GT 640) but paired with fast GDDR5.
Therefore, GeForce GTX 650 1GB can be addressed as a fast GeForce GT 640 paired with fast GDDR5.
Gaming benchmarks indicate its performance is about 1% better than previous generation - GeForce GTX 550 Ti which might not make it a worthy replacement due to its extra cost and that the most demanding games (Metro 2033, The Witcher II, etc) still require reduced settings while modern demanding games (Battlefield 3, Max Payne 3) are playable at high settings but not paired with extreme resolutions.
Radeon HD 7750 1GB GDDR5 is a fast-middle-class GPU based on the 28nm GCN (Graphics Core Next) architecture.
It's based on Cape Verde Chip (Pro variant) and offers 512 Shader Processing Units, 32 TMUs and 16 ROPs on a 128-bit memory interface of fast GDDR5 (though some DDR3 variants were also released). The central unit is clocked at 800MHz while the memory clock operates at 1125MHz. Expect a power consumption of up to 55 Watt.
Benchmarks indicate today's modern games can be played at high settings using a 1080p resolution while most modern demanding games such as Metro 2033 will require reduced resolutions to be played optimally.
This GPU can be paired with an average Quad Core.
Recommended CPUIntel Pentium G860T 2.6GHz
Intel Pentium Dual Core E6800 3.33GHz
AMD Athlon II X2 280
AMD Athlon II X3 415e
AMD Phenom II X3 705e
AMD Phenom II X4 973
Intel Xeon Processor E5630
AMD FX-4150
AMD APU A8-6500
Intel Xeon Processor E5620
Possible GPU Upgrades-GeForce GTX 470 SLI
Radeon R9 270X PowerColor Devil Edition
Radeon R9 270X MSI Hawk Edition
Radeon HD 5970 Crossfire
Radeon R9 270X MSI Gaming 4GB Edition
GPU VariantsGeForce GTX 650 2GB
GeForce GTX 650 MSI 1GB
GeForce GTX 650 Galaxy Green Edition
GeForce GTX 650 Inno3D 1GB Edition
GeForce GTX 650 Palit 1GB Edition
GeForce GTX 650 MSI OC 2GB Edition
GeForce GTX 650 MSI OC v1 1GB Edition
GeForce GTX 650 Asus-E 2GB Edition
GeForce GTX 650 Asus-E 1GB Edition
GeForce GTX 650 MSI OC 1GB
GeForce GTX 650 Power Edition OC 1GB
GeForce GTX 650 EX OC 1GB
GeForce GTX 650 Galaxy GC Edition
GeForce GTX 650 Gigabyte OC 2GB Edition
GeForce GTX 650 Gigabyte OC 1GB Edition
GeForce GTX 650 Leadtek 1GB OC Edition
GeForce GTX 650 EVGA SC 2GB Edition
GeForce GTX 650 EVGA SC 1GB Edition
GeForce GTX 650 DirectCU TOP 1GB Edition
Radeon HD 7750 Sapphire Ultimate
Radeon HD 7750 Sapphire Low Profile
Radeon HD 7750 VTX3D 1GB GDDR5 Edition
Radeon HD 7750 PowerColor 1GB Edition
Radeon HD 7750 XFX Core Edition
Radeon HD 7750 Sapphire 1GB GDDR5 Edition
Radeon HD 7750 Club3D Low Profile Edition
Radeon HD 7750 Asus 1GB Edition
Radeon HD 7750 MSI PMD1 OC Edition
Radeon HD 7750 MSI OC Edition
Radeon HD 7750 Gigabyte 1GB OC Edition
Radeon HD 7750 Double D Black Edition
Radeon HD 7750 MSI OC Power Edition
Radeon HD 7750 Asus TOP 1GB Edition
Radeon HD 7750 Crossfire