Radeon HD 7870 XT vs Radeon R9 270

When choosing between Radeon HD 7870 XT and Radeon R9 270, 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 7870 XT and Radeon R9 270.
Radeon HD 7870 XT

Main Specs

  Radeon HD 7870 XT Radeon R9 270
Power consumption (TDP) 185 Watt 150 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 7870 XT has 23% more power consumption, than Radeon R9 270.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon HD 7870 XT and Radeon R9 270 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 7870 XT and Radeon R9 270 are build with GCN 1.0 architecture.
  • Radeon HD 7870 XT and Radeon R9 270 are manufactured by 28 nm process technology.
  • Radeon HD 7870 XT is 57 mm longer, than Radeon R9 270.

Game benchmarks

high / 1080p 35−40 21−24
ultra / 1080p 21−24 12−14
QHD / 1440p 16−18 7−8
4K / 2160p 10−11 5−6
low / 720p 60−65 40−45
medium / 1080p 40−45 27−30
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 68% more, than Radeon R9 270.

Full Specs

  Radeon HD 7870 XT Radeon R9 270
Architecture GCN 1.0 GCN 1.0
Code name Tahiti Curacao
Type Desktop Desktop
Release date 19 November 2012 13 November 2013
Pipelines 1536 1280
Core clock speed 925 MHz
Boost Clock 975 MHz 925 MHz
Transistor count 4,313 million 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 93.60 74.00
Floating-point performance 2,995 gflops 2,368 gflops
Length 267 mm 210 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 6000 MHz
Memory bandwidth 192.0 GB/s 179.2 GB/s
DirectX 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.2.131 +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 346 Mh/s 293 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s 16 Mh/s
LiquidVR +
TressFX +
UVD +
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