Radeon HD 4870 vs Radeon R7 250X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4870 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 4870 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 4870 Radeon R7 250X
Power consumption (TDP) 150 Watt 80 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x S-Video 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 4870 has 87% more power consumption, than Radeon R7 250X.
  • Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Radeon R7 250X has 1 GB more memory, than Radeon HD 4870.
  • Both cards are used in Desktops.
  • Radeon HD 4870 is build with TeraScale architecture, and Radeon R7 250X - with GCN 1.0.
  • Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon R7 250X - by 28 nm process technology.
  • Radeon HD 4870 is 40 mm longer, than Radeon R7 250X.
  • Memory clock speed of Radeon HD 4870 is 1975 MHz higher, than Radeon R7 250X.

Game benchmarks

high / 1080p 3−4 10−12
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 14−16 24−27
medium / 1080p 6−7 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 133% more, than Radeon HD 4870.

Full Specs

  Radeon HD 4870 Radeon R7 250X
Architecture TeraScale GCN 1.0
Code name RV770 Cape Verde
Type Desktop Desktop
Release date 25 June 2008 13 February 2014
Pipelines 800 640
Core clock speed 750 MHz
Boost Clock 1000 MHz
Transistor count 956 million 1,500 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 30.00 38.00
Floating-point performance 1,200.0 gflops 1,216 gflops
Length 250 mm 210 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 3600 MHz 1625 MHz
Memory bandwidth 115.2 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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