GeForce GTX 680M vs Radeon HD 7950

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680M and Radeon HD 7950. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 680M and Radeon HD 7950. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GTX 680M is a Laptop Graphics Card

Note: GeForce GTX 680M 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 GTX 680M here:

Main Specs

  GeForce GTX 680M Radeon HD 7950
Power consumption (TDP) 100 Watt 200 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
  Check Price Check Price
  • Radeon HD 7950 has 100% more power consumption, than GeForce GTX 680M.
  • GeForce GTX 680M is connected by MXM-B (3.0), and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • GeForce GTX 680M has 1 GB more memory, than Radeon HD 7950.
  • GeForce GTX 680M is used in Laptops, and Radeon HD 7950 - in Desktops.
  • GeForce GTX 680M is build with Kepler architecture, and Radeon HD 7950 - with GCN 1.0.
  • GeForce GTX 680M and Radeon HD 7950 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 680M is 550 MHz higher, than Radeon HD 7950.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 4−5 10−11
low / 720p 30−35 60−65
medium / 1080p 20−22 40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 128% more, than GeForce GTX 680M.

Full Specs

  GeForce GTX 680M Radeon HD 7950
Architecture Kepler GCN 1.0
Code name N13E-GTX Tahiti
Type Laptop Desktop
Release date 4 June 2012 31 January 2012
Pipelines 1344 1792
Core clock speed 720 MHz
Boost Clock 758 MHz 1250 MHz
Transistor count 3,540 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 80.6 billion/sec 89.60
Floating-point performance 2,038 gflops 2,867 gflops
Length 267 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1800 MHz 1250 MHz
Memory bandwidth 115.2 GB/s 240 GB/s
Shared memory -
DirectX 12 API
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126
CUDA +
Monero / XMR (CryptoNight) 0.56 kh/s
FreeSync +
CUDA cores 1344
Bus support PCI Express 3.0 PCIe 3.0 x16
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 100 Mh/s 381 Mh/s
Laptop size large
Optimus +
Eyefinity +
PowerTune +
ZeroCore +
Design reference
Number of Eyefinity displays 6
CrossFire +
Decred / DCR (Decred) 0.78 Gh/s
Ethereum / ETH (DaggerHashimoto) 13.86 Mh/s
Zcash / ZEC (Equihash) 250 Sol/s
Compute units 28
AppAcceleration +
  Check Price Check Price