Radeon HD 4770 vs Radeon R7 250X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4770 and Radeon R7 250X. 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 4770 and Radeon R7 250X. 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.

Main Specs

  Radeon HD 4770 Radeon R7 250X
Power consumption (TDP) 80 Watt 80 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors 2x DVI, 1x S-Video 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Both graphics cards have the same power consumption of 80 Watt.
  • Radeon HD 4770 is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Radeon HD 4770 has 510 GB more memory, than Radeon R7 250X.
  • Both cards are used in Desktops.
  • Radeon HD 4770 is build with TeraScale architecture, and Radeon R7 250X - with GCN 1.0.
  • Radeon HD 4770 is manufactured by 40 nm process technology, and Radeon R7 250X - by 28 nm process technology.
  • Radeon R7 250X is 7 mm longer, than Radeon HD 4770.
  • Memory clock speed of Radeon HD 4770 is 1575 MHz higher, than Radeon R7 250X.

Game benchmarks

high / 1080p 1−2 10−12
ultra / 1080p 0−1 6−7
QHD / 1440p 0−1 1−2
low / 720p 10−12 24−27
medium / 1080p 2−3 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 240% more, than Radeon HD 4770.

Full Specs

  Radeon HD 4770 Radeon R7 250X
Architecture TeraScale GCN 1.0
Code name RV740 Cape Verde
Type Desktop Desktop
Release date 28 April 2009 13 February 2014
Pipelines 640 640
Core clock speed 750 MHz
Boost Clock 1000 MHz
Transistor count 826 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 24.00 38.00
Floating-point performance 960.0 gflops 1,216 gflops
Length 203 mm 210 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 3200 MHz 1625 MHz
Memory bandwidth 51.2 GB/s 96 GB/s
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) 152 Mh/s
Eyefinity +
Design reference
CrossFire +
DDMA audio +
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