Radeon HD 6870 vs Radeon R9 M290X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6870 and Radeon R9 M290X. 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 Radeon HD 6870 and Radeon R9 M290X. 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.

Radeon R9 M290X is a Laptop Graphics Card

Note: Radeon R9 M290X 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 Radeon R9 M290X here:

Main Specs

  Radeon HD 6870 Radeon R9 M290X
Power consumption (TDP) 151 Watt 100 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6870 has 51% more power consumption, than Radeon R9 M290X.
  • Radeon HD 6870 is connected by PCIe 2.0 x16, and Radeon R9 M290X uses PCIe 3.0 x16 interface.
  • Radeon R9 M290X has 3 GB more memory, than Radeon HD 6870.
  • Radeon HD 6870 is used in Desktops, and Radeon R9 M290X - in Laptops.
  • Radeon HD 6870 is build with Terascale 2 architecture, and Radeon R9 M290X - with GCN.
  • Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon R9 M290X - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M290X is 150 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 10−12 16−18
ultra / 1080p 6−7 10−11
QHD / 1440p 1−2 4−5
4K / 2160p 4−5
low / 720p 24−27 30−35
medium / 1080p 12−14 20−22
The average gaming FPS of Radeon R9 M290X in Assassin's Creed Odyssey is 54% more, than Radeon HD 6870.

Full Specs

  Radeon HD 6870 Radeon R9 M290X
Architecture Terascale 2 GCN
Code name RV940 Barts Neptune
Type Desktop Laptop
Release date 22 October 2010 7 January 2014
Pipelines 1120 1280
Core clock speed 850 MHz
Boost Clock 900 MHz 900 MHz
Transistor count 1,700 million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 50.40 72.00
Floating-point performance 2,016.0 gflops 2,304 gflops
Length 220 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1050 MHz 1200 MHz
Memory bandwidth 134.4 GB/s 153.6 GB/s
Shared memory - -
Shader Model 5.0 5.1
OpenGL 4.4 4.4
OpenCL 1.2 Not Listed
FreeSync +
Bus support PCIe 2.0 x16 PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 213 Mh/s 300 Mh/s
Laptop size large
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
CrossFire +
Compute units 20
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