Radeon HD 7870M vs Radeon R7 250X

When choosing between Radeon HD 7870M 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 7870M and Radeon R7 250X.

Radeon HD 7870M is a Laptop Graphics Card

Note: Radeon HD 7870M 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 7870M here:

Main Specs

  Radeon HD 7870M Radeon R7 250X
Power consumption (TDP) 45 Watt 80 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R7 250X has 77% more power consumption, than Radeon HD 7870M.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon HD 7870M and Radeon R7 250X have maximum RAM of 2 GB.
  • Radeon HD 7870M is used in Laptops, and Radeon R7 250X - in Desktops.
  • Radeon HD 7870M is build with GCN architecture, and Radeon R7 250X - with GCN 1.0.
  • Radeon HD 7870M and Radeon R7 250X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870M is 2375 MHz higher, than Radeon R7 250X.

Game benchmarks

high / 1080p 6−7 10−12
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 1−2
low / 720p 16−18 24−27
medium / 1080p 8−9 14−16
The average gaming FPS of Radeon R7 250X in Assassin's Creed Odyssey is 55% more, than Radeon HD 7870M.

Full Specs

  Radeon HD 7870M Radeon R7 250X
Architecture GCN GCN 1.0
Code name Heathrow XT Cape Verde
Type Laptop Desktop
Release date 24 April 2012 13 February 2014
Pipelines 640 640
Core clock speed 800 MHz
Boost Clock 1000 MHz
Transistor count 1,500 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 32.00 38.00
Floating-point performance 1,024 gflops 1,216 gflops
Length 210 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 4000 MHz 1625 MHz
Memory bandwidth 64 GB/s 96 GB/s
Shared memory -
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) 152 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
DDMA audio +
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