Mobility Radeon HD 3870 X2 vs Radeon HD 8750M

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Radeon HD 8750M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 3870 X2 and Radeon HD 8750M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Mobility Radeon HD 3870 X2 and Radeon HD 8750M are Laptop Graphics Cards

Note: Mobility Radeon HD 3870 X2 and Radeon HD 8750M are only used in laptop graphics. They have 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 Mobility Radeon HD 3870 X2 or Radeon HD 8750M here:

Main Specs

  Mobility Radeon HD 3870 X2 Radeon HD 8750M
Power consumption (TDP) 110 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Memory type GDDR3 GDDR5, DDR3
Maximum RAM amount 512 MB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon HD 8750M uses PCIe 3.0 x8 interface.
  • Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon HD 8750M.
  • Both cards are used in Laptops.
  • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon HD 8750M - with GCN.
  • Core clock speed of Mobility Radeon HD 3870 X2 is 40 MHz higher, than Radeon HD 8750M.
  • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon HD 8750M - by 28 nm process technology.
  • Memory clock speed of Radeon HD 8750M is 1150 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks

high / 1080p 6−7 0−1
ultra / 1080p 4−5 0−1
QHD / 1440p 0−1 0−1
low / 720p 16−18 10−12
medium / 1080p 8−9 2−3
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 100% more, than Radeon HD 8750M.

Full Specs

  Mobility Radeon HD 3870 X2 Radeon HD 8750M
Architecture RV6xx GCN
Code name M88-XT CF Mars Pro
Type Laptop Laptop
Release date 1 September 2008 16 November 2012
Pipelines 640 384
Core clock speed 660 MHz 620 MHz
Boost Clock 775 MHz
Transistor count 666 million 950 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 10.56 18.60
Floating-point performance 2x 422.4 gflops 595.2 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 850 MHz 2000 - 4000 MHz
Memory bandwidth 54.4 GB/s 64 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12 (11_1)
Shader Model 4.1 5.1
OpenGL 3.3 4.6
OpenCL N/A 1.2
Vulkan N/A 1.2.131
Bitcoin / BTC (SHA256) 71 Mh/s
Laptop size large medium sized
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