Radeon HD 6850M vs Radeon R7 250X

When choosing between Radeon HD 6850M and Radeon R7 250X, 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 6850M and Radeon R7 250X.

Radeon HD 6850M is a Laptop Graphics Card

Note: Radeon HD 6850M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6850M here:

Main Specs

  Radeon HD 6850M Radeon R7 250X
Power consumption (TDP) 50 Watt 80 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R7 250X has 60% more power consumption, than Radeon HD 6850M.
  • Radeon HD 6850M is connected by PCIe 2.0 x16, and Radeon R7 250X uses PCIe 3.0 x16 interface.
  • Radeon R7 250X has 1 GB more memory, than Radeon HD 6850M.
  • Radeon HD 6850M is used in Laptops, and Radeon R7 250X - in Desktops.
  • Radeon HD 6850M is build with Terascale 2 architecture, and Radeon R7 250X - with GCN 1.0.
  • Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon R7 250X - by 28 nm process technology.
  • Memory clock speed of Radeon R7 250X is 825 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 2−3 10−12
ultra / 1080p 0−1 6−7
QHD / 1440p 0−1 1−2
low / 720p 12−14 24−27
medium / 1080p 3−4 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 183% more, than Radeon HD 6850M.

Full Specs

  Radeon HD 6850M Radeon R7 250X
Architecture Terascale 2 GCN 1.0
Code name Granville Pro/LP Cape Verde
Type Laptop Desktop
Release date 6 January 2011 13 February 2014
Pipelines 800 640
Core clock speed 575 / 675 MHz
Boost Clock 1000 MHz
Transistor count 1,040 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 27.00 38.00
Floating-point performance 1,080.0 gflops 1,216 gflops
Length 210 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 800 MHz 1625 MHz
Memory bandwidth 25.6 GB/s 96 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 152 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
DDMA audio +
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