Radeon HD 8970M Crossfire vs Radeon R9 390

In this comparison between Radeon HD 8970M Crossfire and Radeon R9 390 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 8970M Crossfire will be the best choice, for others Radeon R9 390 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 8970M Crossfire is a Laptop Graphics Card

Note: Radeon HD 8970M Crossfire 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 HD 8970M Crossfire here:

Main Specs

  Radeon HD 8970M Crossfire Radeon R9 390
Power consumption (TDP) 200 Watt 275 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin, 1 x 8-pin
Memory type GDDR5 GDDR5
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 390 has 37% more power consumption, than Radeon HD 8970M Crossfire.
  • Radeon HD 8970M Crossfire is used in Laptops, and Radeon R9 390 - in Desktops.
  • Radeon HD 8970M Crossfire is build with GCN architecture, and Radeon R9 390 - with GCN 2.0.
  • Radeon HD 8970M Crossfire and Radeon R9 390 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8970M Crossfire is 3800 MHz higher, than Radeon R9 390.

Game benchmarks

high / 1080p 35−40 45−50
ultra / 1080p 24−27 30−33
QHD / 1440p 18−20 24−27
4K / 2160p 10−11 12−14
low / 720p 60−65 70−75
medium / 1080p 45−50 50−55
The average gaming FPS of Radeon R9 390 in Assassin's Creed Odyssey is 21% more, than Radeon HD 8970M Crossfire.

Full Specs

  Radeon HD 8970M Crossfire Radeon R9 390
Architecture GCN GCN 2.0
Code name Neptune CF Grenada
Type Laptop Desktop
Release date 1 May 2012 18 June 2015
Pipelines 2560 2560
Core clock speed 850 MHz
Boost Clock 900 MHz 1000 MHz
Transistor count 6,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 160.0
Floating-point performance 5,120 gflops
Length 275 mm
Memory bus width 2x 256 Bit 512 Bit
Memory clock speed 4800 MHz 1000 MHz
Memory bandwidth 384 GB/s
Shared memory -
DirectX DirectX 11.1, Shader 5.0
Shader Model 6.3
OpenGL 4.6
OpenCL 2.0
Vulkan +
Monero / XMR (CryptoNight) 0.81 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 593 Mh/s
Laptop size large
Eyefinity +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Decred / DCR (Decred) 0.95 Gh/s
Ethereum / ETH (DaggerHashimoto) 29.26 Mh/s
Zcash / ZEC (Equihash) 380.03 Sol/s
High bandwidth memory (HBM) -
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