Radeon HD 4850 X2 vs Radeon R9 270X

When comparing Radeon HD 4850 X2 and Radeon R9 270X, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 4850 X2 and Radeon R9 270X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Main Specs

  Radeon HD 4850 X2 Radeon R9 270X
Power consumption (TDP) 250 Watt 180 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin 2 x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors 4x DVI, 1x S-Video 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 4850 X2 has 38% more power consumption, than Radeon R9 270X.
  • Radeon HD 4850 X2 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon HD 4850 X2 has 510 GB more memory, than Radeon R9 270X.
  • Both cards are used in Desktops.
  • Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon R9 270X - with GCN.
  • Radeon HD 4850 X2 is manufactured by 55 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 24−27
ultra / 1080p 2−3 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 14−16 45−50
medium / 1080p 5−6 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 400% more, than Radeon HD 4850 X2.

Full Specs

  Radeon HD 4850 X2 Radeon R9 270X
Architecture TeraScale GCN
Code name R700 Curacao XT
Type Desktop Desktop
Release date 7 November 2008 8 October 2013
Pipelines 800 1280
Core clock speed 625 MHz
Boost Clock 1050 MHz
Transistor count 956 million 2,800 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00 84.00
Floating-point performance 2x 1,000.0 gflops 2,688 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1990 MHz
Memory bandwidth 63.68 GB/s 179.2 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL 1.1 1.2
Vulkan N/A +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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