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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 650 2GB 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 GTX 650 has 1024 MB more video memory than the HD 7750, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 650 also has superior memory performance overall.

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 2GB has 384 Shader Processing Units and the Radeon HD 7750 1GB GDDR5 has 512. However, the actual shader performance of the GTX 650 is 406 and the actual shader performance of the HD 7750 is 369. The GTX 650 having 37 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 2GB 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.

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GPU Core Details

Core Speed1058 MHzvs800 MHz
ArchitectureKepler GK107-450-A2GCN 1.0 Cape Verde PRO
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Release Date01 Sep 201215 Feb 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
10
1600x900 - vs green tick
9.1
1920x1080 - vs green tick
5.9
2560x1440 - vs green tick
4.3
3840x2160 - green tick vs green tick -

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1250 MHzvs1125 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth80GB/secvs72GB/sec
L2 Cache 256 KB vs green tick 512 KB
Comparison

GPU Display

Shader Processing Units384vs512
Actual Shader Performance406vs369
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 Connections1vs1
HDMI Connections2vs1
Comparison

GPU Power Requirements

Max Power64 Wattsvs55 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1600x9001600x900
Recommended PSU400 Wattsvs400 Watts & 18 Amps

Gaming Performance Value

The Elder Scrolls Vvs
Far Cry 3vs
Saints Row 3vs
Fallout: New Vegasvs
Pro Evolution Soccer 2013vs
Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 650 2GB is a fast-middle-class GPU part of the 600 Series released by NVIDIA in 2012.
This version features a frame buffer of 2GB. It's known that this GPU does not benefit in any way from a 2GB frame buffer and so this GPU's performance is on level with the 1GB variant. Check the page of the 1GB version for more information about but please note this GPU is just a fast GT 640, paired with GDDR5. Its performance is nothing like next in series - GeForce GTX 650 Ti and barely any fast than previous GTX 550 Ti.
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 CPUAMD 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+
AMD Athlon II X4 645
AMD FX-4170
AMD APU A8-6600K Quad-Core
Intel Core i3-3250 3.5GHz
AMD APU A8-7600 Quad-Core
Possible GPU Upgrades-GeForce GTX 470 SLI
Radeon R7 260X Crossfire
Radeon R9 270X Sapphire Black Diamond 2GB Edition
Radeon R9 270X Sapphire Toxic 2GB OC Edition
Radeon R9 270X PowerColor Devil Edition
GPU Variants-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