Radeon HD 7850 vs Radeon R9 M270X

If you are going to buy a new graphics card and are choosing between Radeon HD 7850 and Radeon R9 M270X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7850 stacks up against Radeon R9 M270X, check out specs charts below.

Main Specs

  Radeon HD 7850 Radeon R9 M270X
Power consumption (TDP) 225 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M270X has 2 GB more memory, than Radeon HD 7850.
  • Both cards are used in Desktops.
  • Radeon HD 7850 and Radeon R9 M270X are build with GCN 1.0 architecture.
  • Radeon HD 7850 and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7850 is 75 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 18−20 6−7
ultra / 1080p 10−12 4−5
QHD / 1440p 5−6 0−1
4K / 2160p 4−5
low / 720p 35−40 16−18
medium / 1080p 24−27 8−9
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 155% more, than Radeon R9 M270X.

Full Specs

  Radeon HD 7850 Radeon R9 M270X
Architecture GCN 1.0 GCN 1.0
Code name Pitcairn Venus
Type Desktop Desktop
Release date 5 March 2012 21 March 2014
Pipelines 1024 640
Core clock speed 725 MHz
Boost Clock 1000 MHz 775 MHz
Transistor count 2,800 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 55.04 31.00
Floating-point performance 1,761 gflops 1,536 gflops
Length 210 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1200 MHz 1125 MHz
Memory bandwidth 153.6 GB/s 72 GB/s
Shader Model 5.1 5.1
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
FreeSync + +
Bus support PCIe 2.1 x16 PCIe 3.0 x16
HDMI +
Bitcoin / BTC (SHA256) 249 Mh/s
Eyefinity + +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 12.5 Mh/s
Compute units 10
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