Radeon HD 4870 vs Radeon HD 7950

In this comparison between Radeon HD 4870 and Radeon HD 7950 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 will be the best choice, for others Radeon HD 7950 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 4870 Radeon HD 7950
Power consumption (TDP) 150 Watt 200 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors 2x DVI, 1x S-Video 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7950 has 33% more power consumption, than Radeon HD 4870.
  • Radeon HD 4870 is connected by PCIe 2.0 x16, and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • Radeon HD 7950 has 2 GB more memory, than Radeon HD 4870.
  • Both cards are used in Desktops.
  • Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 7950 - with GCN 1.0.
  • Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 7950 - by 28 nm process technology.
  • Radeon HD 7950 is 17 mm longer, than Radeon HD 4870.
  • Memory clock speed of Radeon HD 4870 is 2350 MHz higher, than Radeon HD 7950.

Game benchmarks

high / 1080p 3−4 35−40
ultra / 1080p 1−2 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 6−7 40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 583% more, than Radeon HD 4870.

Full Specs

  Radeon HD 4870 Radeon HD 7950
Architecture TeraScale GCN 1.0
Code name RV770 Tahiti
Type Desktop Desktop
Release date 25 June 2008 31 January 2012
Pipelines 800 1792
Core clock speed 750 MHz
Boost Clock 1250 MHz
Transistor count 956 million 4,313 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 30.00 89.60
Floating-point performance 1,200.0 gflops 2,867 gflops
Length 250 mm 267 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 3600 MHz 1250 MHz
Memory bandwidth 115.2 GB/s 240 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
Monero / XMR (CryptoNight) 0.56 kh/s
FreeSync +
Bus support PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 381 Mh/s
Eyefinity +
PowerTune +
ZeroCore +
Design reference
Number of Eyefinity displays 6
CrossFire +
Decred / DCR (Decred) 0.78 Gh/s
Ethereum / ETH (DaggerHashimoto) 13.86 Mh/s
Zcash / ZEC (Equihash) 250 Sol/s
Compute units 28
AppAcceleration +
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