Radeon HD 4870 vs Radeon HD 4890

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4870 and Radeon HD 4890. 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 HD 4890. 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 HD 4890
Power consumption (TDP) 150 Watt 190 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors 2x DVI, 1x S-Video 2x DVI, 1x S-Video
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  • Radeon HD 4890 has 26% more power consumption, than Radeon HD 4870.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 4870 and Radeon HD 4890 have maximum RAM of 1 GB.
  • Both cards are used in Desktops.
  • Radeon HD 4870 and Radeon HD 4890 are build with TeraScale architecture.
  • Core clock speed of Radeon HD 4890 is 100 MHz higher, than Radeon HD 4870.
  • Radeon HD 4870 and Radeon HD 4890 are manufactured by 55 nm process technology.
  • Radeon HD 4870 is 9 mm longer, than Radeon HD 4890.
  • Memory clock speed of Radeon HD 4890 is 300 MHz higher, than Radeon HD 4870.

Game benchmarks

high / 1080p 3−4 7−8
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 6−7 8−9
The average gaming FPS of Radeon HD 4890 in Assassin's Creed Odyssey is 50% more, than Radeon HD 4870.

Full Specs

  Radeon HD 4870 Radeon HD 4890
Architecture TeraScale TeraScale
Code name RV770 RV790
Type Desktop Desktop
Release date 25 June 2008 2 April 2009
Pipelines 800 800
Core clock speed 750 MHz 850 MHz
Transistor count 956 million 959 million
Manufacturing process technology 55 nm 55 nm
Texture fill rate 30.00 34.00
Floating-point performance 1,200.0 gflops 1,360.0 gflops
Length 250 mm 241 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 3600 MHz 3900 MHz
Memory bandwidth 115.2 GB/s 124.8 GB/s
DirectX 10.1 (10_1) 10.1 (10_1)
Shader Model 4.1 4.1
OpenGL 3.3 3.3
OpenCL 1.1 1.1
Vulkan N/A N/A
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