Radeon HD 4770 vs Radeon R9 270X

When choosing between Radeon HD 4770 and Radeon R9 270X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 4770 and Radeon R9 270X.

Main Specs

  Radeon HD 4770 Radeon R9 270X
Power consumption (TDP) 80 Watt 180 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 2 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors 2x DVI, 1x S-Video 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 270X has 125% more power consumption, than Radeon HD 4770.
  • Radeon HD 4770 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon HD 4770 has 510 GB more memory, than Radeon R9 270X.
  • Both cards are used in Desktops.
  • Radeon HD 4770 is build with TeraScale architecture, and Radeon R9 270X - with GCN.
  • Radeon HD 4770 is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 1−2 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 10−12 45−50
medium / 1080p 2−3 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 600% more, than Radeon HD 4770.

Full Specs

  Radeon HD 4770 Radeon R9 270X
Architecture TeraScale GCN
Code name RV740 Curacao XT
Type Desktop Desktop
Release date 28 April 2009 8 October 2013
Pipelines 640 1280
Core clock speed 750 MHz
Boost Clock 1050 MHz
Transistor count 826 million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 24.00 84.00
Floating-point performance 960.0 gflops 2,688 gflops
Length 203 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 3200 MHz
Memory bandwidth 51.2 GB/s 179.2 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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