Radeon HD 6930 vs Radeon R9 390X

When comparing Radeon HD 6930 and Radeon R9 390X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 6930 and Radeon R9 390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Main Specs

  Radeon HD 6930 Radeon R9 390X
Power consumption (TDP) 186 Watt 275 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1 x 6-pin, 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
  Check Price Check Price
  • Radeon R9 390X has 47% more power consumption, than Radeon HD 6930.
  • Radeon HD 6930 is connected by PCIe 2.0 x16, and Radeon R9 390X uses PCIe 3.0 x16 interface.
  • Both cards are used in Desktops.
  • Radeon HD 6930 is build with TeraScale 3 architecture, and Radeon R9 390X - with GCN.
  • Radeon HD 6930 is manufactured by 40 nm process technology, and Radeon R9 390X - by 28 nm process technology.
  • Radeon R9 390X is 55 mm longer, than Radeon HD 6930.
  • Memory clock speed of Radeon HD 6930 is 3750 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 9−10 50−55
ultra / 1080p 5−6 30−35
QHD / 1440p 0−1 24−27
4K / 2160p 14−16
low / 720p 21−24 75−80
medium / 1080p 10−12 55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 358% more, than Radeon HD 6930.

Full Specs

  Radeon HD 6930 Radeon R9 390X
Architecture TeraScale 3 GCN
Code name Cayman Grenada XT
Type Desktop Desktop
Release date 1 December 2011 16 June 2015
Pipelines 1280 2816
Core clock speed 750 MHz
Boost Clock 1050 MHz
Transistor count 2,640 million 6,200 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 60.00 184.8
Floating-point performance 1,920.0 gflops 5,914 gflops
Length 220 mm 275 mm
Memory bus width 256 Bit 512 Bit
Memory clock speed 4800 MHz 1050 MHz
Memory bandwidth 153.6 GB/s 384 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s
Eyefinity +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 27.5 Mh/s
High bandwidth memory (HBM) -
  Check Price Check Price