GeForce GTX 770M vs Radeon HD 6990M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 770M and Radeon HD 6990M. 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 770M and Radeon HD 6990M. 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 770M and Radeon HD 6990M are Laptop Graphics Cards

Note: GeForce GTX 770M and Radeon HD 6990M are only used in laptop graphics. They have 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 770M or Radeon HD 6990M here:

Main Specs

  GeForce GTX 770M Radeon HD 6990M
Power consumption (TDP) 75 Watt 100 Watt
Interface MXM-B (3.0) MXM-B (3.0)
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 2 GB
Display Connectors No outputs No outputs
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  • Radeon HD 6990M has 33% more power consumption, than GeForce GTX 770M.
  • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
  • GeForce GTX 770M has 1 GB more memory, than Radeon HD 6990M.
  • Both cards are used in Laptops.
  • GeForce GTX 770M is build with Kepler architecture, and Radeon HD 6990M - with Terascale 2.
  • Core clock speed of GeForce GTX 770M is 96 MHz higher, than Radeon HD 6990M.
  • GeForce GTX 770M is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
  • Memory clock speed of GeForce GTX 770M is 1100 MHz higher, than Radeon HD 6990M.

Game benchmarks

high / 1080p 14−16 14−16
ultra / 1080p 8−9 8−9
QHD / 1440p 3−4 3−4
low / 720p 30−33 30−33
medium / 1080p 16−18 16−18
GeForce GTX 770M and Radeon HD 6990M have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce GTX 770M Radeon HD 6990M
Architecture Kepler Terascale 2
Code name N14E-GS Blackcomb XTX
Type Laptop Laptop
Release date 30 May 2013 12 July 2011
Pipelines 960 1120
Core clock speed 811 MHz 715 MHz
Boost Clock 797 MHz
Transistor count 2,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 63.76 40.04
Floating-point performance 1,530 gflops 1,601.6 gflops
Memory bus width 192 Bit 256 Bit
Memory clock speed 2000 MHz 900 MHz
Memory bandwidth 96.0 GB/s 115.2 GB/s
Shared memory - -
DirectX 12 API 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan 1.1.126 N/A
CUDA +
CUDA cores 960
Bus support PCI Express 3.0, PCI Express 2.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 55 Mh/s
Laptop size large large
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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