Radeon HD 4870 X2 vs Radeon HD 7950

When choosing between Radeon HD 4870 X2 and Radeon HD 7950, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 4870 X2 and Radeon HD 7950.

Main Specs

  Radeon HD 4870 X2 Radeon HD 7950
Power consumption (TDP) 286 Watt 200 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-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 4870 X2 has 43% more power consumption, than Radeon HD 7950.
  • Radeon HD 4870 X2 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 X2.
  • Both cards are used in Desktops.
  • Radeon HD 4870 X2 is build with TeraScale architecture, and Radeon HD 7950 - with GCN 1.0.
  • Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon HD 7950 - by 28 nm process technology.
  • Both graphics cards are the same length of 267 mm.
  • Memory clock speed of Radeon HD 4870 X2 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 X2.

Full Specs

  Radeon HD 4870 X2 Radeon HD 7950
Architecture TeraScale GCN 1.0
Code name R700 Tahiti
Type Desktop Desktop
Release date 12 August 2008 31 January 2012
Pipelines 800 1792
Core clock speed 700 MHz
Boost Clock 1250 MHz
Transistor count 956 million 4,313 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 28.00 89.60
Floating-point performance 2x 1,120.0 gflops 2,867 gflops
Length 267 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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