Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7970M Crossfire GeForce GTX 675M SLI
Cyberpunk 2077 60% 107%
Assassins Creed: Valhalla 48% 91%
Call of Duty: Black Ops Cold War 64% 113%
Genshin Impact 61% 109%
eFootball PES 2021 19% 6%
Marvel's Avengers 53% 98%
Watch Dogs Legion 56% 102%
FIFA 21 19% 6%
Mafia: Definitive Edition 131% 200%
Microsoft Flight Simulator 43% 85%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7970M Crossfire are noticeably better than the Nvidia GeForce GTX 675M SLI.

The HD 7970M has a 230 MHz higher core clock speed and 32 more Texture Mapping Units than the GTX 675M. This results in the HD 7970M providing 56.6 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 HD 7970M has a 230 MHz higher core clock speed than the GTX 675M and the same number of Render Output Units. This results in the HD 7970M providing 14.7 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 HD 7970M was released less than a year after the GTX 675M, and so they are likely to have similar driver support for optimizing performance when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The Radeon HD 7970M Crossfire and the GeForce GTX 675M SLI have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 7970M has 115.2 GB/sec greater memory bandwidth than the GTX 675M, which means that the memory performance of the HD 7970M is massively better than the GTX 675M.

The Radeon HD 7970M Crossfire has 2560 Shader Processing Units and the GeForce GTX 675M SLI has 768. However, the actual shader performance of the HD 7970M is 1850 and the actual shader performance of the GTX 675M is 952. The HD 7970M having 898 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7970M delivers a massively smoother and more efficient experience when processing graphical data than the GTX 675M.

The HD 7970M transistor size technology is 12 nm (nanometers) smaller than the GTX 675M. This means that the HD 7970M is expected to run slightly cooler and achieve higher clock frequencies than the GTX 675M.

The Radeon HD 7970M Crossfire requires 200 Watts to run and the GeForce GTX 675M SLI requires 200 Watts. 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 Speed850 MHzvs620 MHz
Boost Clock-vs-
ArchitectureGCN 1.0 Wimbledon XT (x2)Fermi GF114 (x2)
OC Potential Fair vs None
Driver Support Good vs -
Release Date01 May 2012vs22 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
10
green tick vs
9.3
1920x1080
8.4
green tick vs
7.3
2560x1440
6.1
green tick vs
5.3
3840x2160
4.5
green tick vs -

GPU Memory

Memory4096 MBvs4096 MB
Memory Speed1200 MHzvs750 MHz
Memory Bus512 Bitvs512 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth307.2GB/secvs192GB/sec
L2 Cache 1024 KB green tick vs 0 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units2560vs768
Actual Shader Performance89%vs46%
Technology28nmvs40nm
Texture Mapping Units160vs128
Texture Rate136 GTexel/svs79.4 GTexel/s
Render Output Units64vs64
Pixel Rate54.4 GPixel/svs39.7 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power200 Wattsvs200 Watts
Recommended PSU--

GPU Features

DirectX12.0vs11
Shader Model5.0vs5.0
Open GL4.4vs4.1
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-3940XM 4-Core 3.0GHzvsIntel Core i7-3610QM 4-Core 2.3GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 7970M Crossfire is a solution of two Radeon HD 7970M put together using AMD'S Crossfire technology.
Check the page of Radeon HD 7970M to know more about its chip.
Crossfire relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, is up to twice as better as a single Radeon HD 7970M performing by itself but at times (depending whether or not the 3D game supports crossfire or in the graphics driver) it performed worse than a single Radeon HD 7970M.
Even the most demanding games will run at the highest settings.
GeForce GTX 675M SLI is a solution of two GeForce GTX 675M put together using NVIDIA'S SLI technology.
Check the page of GeForce GTX 675M to know more about its chip.
As usual, SLI relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, about 35% better than a single GeForce GTX 675M performing by itself but at times (depending whether or not the 3D game supports SLI or in the graphics driver) it performed worse than a single GeForce GTX 675M.
Even the most demanding games will run at the highest settings.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
-
-