Radeon HD 4850 X2 vs Radeon HD 7950

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4850 X2 and Radeon HD 7950. 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 4850 X2 and Radeon HD 7950. 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 4850 X2 Radeon HD 7950
Power consumption (TDP) 250 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 GDDR3 GDDR5
Maximum RAM amount 512 MB 3 GB
Display Connectors 4x DVI, 1x S-Video 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 4850 X2 has 25% more power consumption, than Radeon HD 7950.
  • Radeon HD 4850 X2 is connected by PCIe 2.0 x16, and Radeon HD 7950 uses PCIe 3.0 x16 interface.
  • Radeon HD 4850 X2 has 509 GB more memory, than Radeon HD 7950.
  • Both cards are used in Desktops.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon HD 7950 - with GCN 1.0.
  • Radeon HD 4850 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 4850 X2 is 740 MHz higher, than Radeon HD 7950.

Game benchmarks

high / 1080p 3−4 35−40
ultra / 1080p 2−3 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 14−16 60−65
medium / 1080p 5−6 40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 583% more, than Radeon HD 4850 X2.

Full Specs

  Radeon HD 4850 X2 Radeon HD 7950
Architecture TeraScale GCN 1.0
Code name R700 Tahiti
Type Desktop Desktop
Release date 7 November 2008 31 January 2012
Pipelines 800 1792
Core clock speed 625 MHz
Boost Clock 1250 MHz
Transistor count 956 million 4,313 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 89.60
Floating-point performance 2x 1,000.0 gflops 2,867 gflops
Length 267 mm 267 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1990 MHz 1250 MHz
Memory bandwidth 63.68 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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