Mobility Radeon HD 3870 X2 vs Quadro K1100M

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 3870 X2 and Quadro K1100M. 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 Quadro K1100M. 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 Quadro K1100M are Laptop Graphics Cards

Note: Mobility Radeon HD 3870 X2 and Quadro K1100M 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 Quadro K1100M here:

Main Specs

  Mobility Radeon HD 3870 X2 Quadro K1100M
Power consumption (TDP) 110 Watt 45 Watt
Interface PCIe 2.0 x16 MXM-A (3.0)
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 3870 X2 has 144% more power consumption, than Quadro K1100M.
  • Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Quadro K1100M uses MXM-A (3.0) interface.
  • Mobility Radeon HD 3870 X2 has 510 GB more memory, than Quadro K1100M.
  • Mobility Radeon HD 3870 X2 is used in Laptops, and Quadro K1100M - in Mobile workstations.
  • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Quadro K1100M - with Kepler.
  • Core clock speed of Quadro K1100M is 45 MHz higher, than Mobility Radeon HD 3870 X2.
  • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Quadro K1100M - by 28 nm process technology.
  • Memory clock speed of Quadro K1100M is 1950 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks

high / 1080p 6−7 0−1
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 16−18 12−14
medium / 1080p 8−9 3−4
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 50% more, than Quadro K1100M.

Full Specs

  Mobility Radeon HD 3870 X2 Quadro K1100M
Architecture RV6xx Kepler
Code name M88-XT CF GK107
Type Laptop Mobile workstation
Release date 1 September 2008 23 July 2013
Pipelines 640 384
Core clock speed 660 MHz 705 MHz
Transistor count 666 million 1,270 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 10.56 22.59
Floating-point performance 2x 422.4 gflops 542.2 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 850 MHz 2800 MHz
Memory bandwidth 54.4 GB/s 44.8 GB/s
Shared memory - -
DirectX 10.1 (10_1) 12
Shader Model 4.1 5
OpenGL 3.3 4.5
OpenCL N/A 1.2
Vulkan N/A 1.1.126
CUDA +
Bitcoin / BTC (SHA256) 18 Mh/s
Laptop size large medium sized
Optimus +
Display Port 1.2
3D Vision Pro +
Mosaic +
nView Display Management +
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