GeForce GT 755M SLI vs Radeon HD 7770

If you are going to buy a new graphics card and are choosing between GeForce GT 755M SLI and Radeon HD 7770, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GT 755M SLI stacks up against Radeon HD 7770, check out specs charts below.

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 7770
Power consumption (TDP) 2x ~50 Watt
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 2 GB 2 GB
  Check Price Check Price
  • GeForce GT 755M SLI and Radeon HD 7770 have maximum RAM of 2 GB.
  • GeForce GT 755M SLI is used in Laptops, and Radeon HD 7770 - in Desktops.
  • GeForce GT 755M SLI is build with Kepler architecture, and Radeon HD 7770 - with GCN.
  • Core clock speed of Radeon HD 7770 is 20 MHz higher, than GeForce GT 755M SLI.
  • GeForce GT 755M SLI and Radeon HD 7770 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 755M SLI is 900 MHz higher, than Radeon HD 7770.

Game benchmarks

high / 1080p 14−16 10−11
ultra / 1080p 8−9 6−7
QHD / 1440p 2−3 1−2
low / 720p 30−35 24−27
medium / 1080p 18−20 12−14
The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 36% more, than Radeon HD 7770.

Full Specs

  GeForce GT 755M SLI Radeon HD 7770
Architecture Kepler GCN
Code name N14P-? Cape Verde
Type Laptop Desktop
Release date 1 November 2013 15 February 2012
Pipelines 768 640
Core clock speed 980 MHz 1000 MHz
Transistor count 2x 1300 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 2x 128 Bit 128 Bit
Memory clock speed 5400 MHz 4500 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0 DirectX 11.1, Shader 5.1
CUDA +
Bitcoin / BTC (SHA256) 156 Mh/s
Laptop size large
Eyefinity +
  Check Price Check Price