GeForce GTX 880M vs Radeon HD 6990

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 880M and Radeon HD 6990. 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 880M and Radeon HD 6990. 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 880M is a Laptop Graphics Card

Note: GeForce GTX 880M 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 880M here:

Main Specs

  GeForce GTX 880M Radeon HD 6990
Power consumption (TDP) 122 Watt 375 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB 2 GB
Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 207% more power consumption, than GeForce GTX 880M.
  • GeForce GTX 880M is connected by MXM-B (3.0), and Radeon HD 6990 uses PCIe 2.0 x16 interface.
  • GeForce GTX 880M has 6 GB more memory, than Radeon HD 6990.
  • GeForce GTX 880M is used in Laptops, and Radeon HD 6990 - in Desktops.
  • GeForce GTX 880M is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of GeForce GTX 880M is 124 MHz higher, than Radeon HD 6990.
  • GeForce GTX 880M is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.

Game benchmarks

high / 1080p 20−22 14−16
ultra / 1080p 12−14 9−10
QHD / 1440p 6−7 3−4
4K / 2160p 5−6
low / 720p 40−45 30−35
medium / 1080p 24−27 18−20
The average gaming FPS of GeForce GTX 880M in Assassin's Creed Odyssey is 40% more, than Radeon HD 6990.

Full Specs

  GeForce GTX 880M Radeon HD 6990
Architecture Kepler TeraScale 3
Code name N15E-GX-A2 Antilles
Type Laptop Desktop
Release date 12 March 2014 8 March 2011
Pipelines 1536 1536
Core clock speed 954 MHz 830 MHz
Boost Clock 993 MHz
Transistor count 3,540 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 127.1 79.68
Floating-point performance 3,050 gflops 2x 2,549.8 gflops
Length 295 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz
Memory bandwidth 160.0 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (11_0) 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 1536
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 96 Mh/s 265 Mh/s
Laptop size 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 +
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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