Radeon HD 7770 vs Radeon R9 290X

In this comparison between Radeon HD 7770 and Radeon R9 290X 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 7770 will be the best choice, for others Radeon R9 290X will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 7770 Radeon R9 290X
Power consumption (TDP) 250 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 290X has 2 GB more memory, than Radeon HD 7770.
  • Both cards are used in Desktops.
  • Radeon HD 7770 and Radeon R9 290X are build with GCN architecture.
  • Radeon HD 7770 and Radeon R9 290X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 is 3250 MHz higher, than Radeon R9 290X.

Game benchmarks

high / 1080p 10−11 35−40
ultra / 1080p 6−7 24−27
QHD / 1440p 1−2 18−20
4K / 2160p 10−11
low / 720p 24−27 60−65
medium / 1080p 12−14 45−50
The average gaming FPS of Radeon R9 290X in Assassin's Creed Odyssey is 245% more, than Radeon HD 7770.

Full Specs

  Radeon HD 7770 Radeon R9 290X
Architecture GCN GCN
Code name Cape Verde Hawaii XT
Type Desktop Desktop
Release date 15 February 2012 24 October 2013
Pipelines 640 2816
Core clock speed 1000 MHz
Boost Clock 947 MHz
Transistor count 6,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 176.0
Floating-point performance 5,632 gflops
Length 275 mm
Memory bus width 128 Bit 512 Bit
Memory clock speed 4500 MHz 1250 MHz
Memory bandwidth 320 GB/s
Shared memory - -
DirectX DirectX 11.1, Shader 5.1
Shader Model 6.3
OpenGL 4.6
OpenCL 2.0
Vulkan +
Monero / XMR (CryptoNight) 0.76 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 156 Mh/s 623 Mh/s
Eyefinity + +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Decred / DCR (Decred) 1.07 Gh/s
Ethereum / ETH (DaggerHashimoto) 25.75 Mh/s
Zcash / ZEC (Equihash) 350 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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