Radeon HD 4870 X2 vs Radeon HD 4890

In this comparison between Radeon HD 4870 X2 and Radeon HD 4890 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 4870 X2 will be the best choice, for others Radeon HD 4890 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 4870 X2 Radeon HD 4890
Power consumption (TDP) 286 Watt 190 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-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 4870 X2 has 50% more power consumption, than Radeon HD 4890.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 4870 X2 and Radeon HD 4890 have maximum RAM of 1 GB.
  • Both cards are used in Desktops.
  • Radeon HD 4870 X2 and Radeon HD 4890 are build with TeraScale architecture.
  • Core clock speed of Radeon HD 4890 is 150 MHz higher, than Radeon HD 4870 X2.
  • Radeon HD 4870 X2 and Radeon HD 4890 are manufactured by 55 nm process technology.
  • Radeon HD 4870 X2 is 26 mm longer, than Radeon HD 4890.
  • Memory clock speed of Radeon HD 4890 is 300 MHz higher, than Radeon HD 4870 X2.

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 X2.

Full Specs

  Radeon HD 4870 X2 Radeon HD 4890
Architecture TeraScale TeraScale
Code name R700 RV790
Type Desktop Desktop
Release date 12 August 2008 2 April 2009
Pipelines 800 800
Core clock speed 700 MHz 850 MHz
Transistor count 956 million 959 million
Manufacturing process technology 55 nm 55 nm
Texture fill rate 28.00 34.00
Floating-point performance 2x 1,120.0 gflops 1,360.0 gflops
Length 267 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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