GeForce GT 755M SLI vs Radeon HD 7970

When choosing between GeForce GT 755M SLI and Radeon HD 7970, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 755M SLI and Radeon HD 7970.

GeForce GT 755M SLI is a Laptop Graphics Card

Note: GeForce GT 755M SLI is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 755M SLI here:

Main Specs

  GeForce GT 755M SLI Radeon HD 7970
Power consumption (TDP) 2x ~50 Watt 300 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 2 GB 3 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7970 has 14900% more power consumption, than GeForce GT 755M SLI.
  • Radeon HD 7970 has 1 GB more memory, than GeForce GT 755M SLI.
  • GeForce GT 755M SLI is used in Laptops, and Radeon HD 7970 - in Desktops.
  • GeForce GT 755M SLI is build with Kepler architecture, and Radeon HD 7970 - with GCN.
  • GeForce GT 755M SLI and Radeon HD 7970 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 755M SLI is 4025 MHz higher, than Radeon HD 7970.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 2−3 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 140% more, than GeForce GT 755M SLI.

Full Specs

  GeForce GT 755M SLI Radeon HD 7970
Architecture Kepler GCN
Code name N14P-? Tahiti XT
Type Laptop Desktop
Release date 1 November 2013 22 December 2011
Pipelines 768 2048
Core clock speed 980 MHz
Boost Clock 925 MHz
Transistor count 2x 1300 Million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 118.4
Floating-point performance 3,789 gflops
Length 274 mm
Memory bus width 2x 128 Bit 384 Bit
Memory clock speed 5400 MHz 1375 MHz
Memory bandwidth 264 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
CUDA +
FreeSync +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 485 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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