GeForce GT 735M vs Mobility Radeon HD 3870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 735M and Mobility Radeon HD 3870 X2. 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 GeForce GT 735M and Mobility Radeon HD 3870 X2. 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.

GeForce GT 735M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards

Note: GeForce GT 735M and Mobility Radeon HD 3870 X2 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 GeForce GT 735M or Mobility Radeon HD 3870 X2 here:

Main Specs

  GeForce GT 735M Mobility Radeon HD 3870 X2
Power consumption (TDP) 33 Watt 110 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Memory type DDR3 GDDR3
Maximum RAM amount 2 GB 512 MB
Display Connectors No outputs No outputs
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  • Mobility Radeon HD 3870 X2 has 233% more power consumption, than GeForce GT 735M.
  • GeForce GT 735M is connected by PCIe 3.0 x8, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
  • Mobility Radeon HD 3870 X2 has 510 GB more memory, than GeForce GT 735M.
  • Both cards are used in Laptops.
  • GeForce GT 735M is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
  • Core clock speed of Mobility Radeon HD 3870 X2 is 85 MHz higher, than GeForce GT 735M.
  • GeForce GT 735M is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
  • Memory clock speed of GeForce GT 735M is 950 MHz higher, than Mobility Radeon HD 3870 X2.

Game benchmarks

high / 1080p 0−1 6−7
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 16−18
medium / 1080p 0−1 8−9
The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 1600% more, than GeForce GT 735M.

Full Specs

  GeForce GT 735M Mobility Radeon HD 3870 X2
Architecture Kepler RV6xx
Code name N14M-LP M88-XT CF
Type Laptop Laptop
Release date 1 April 2013 1 September 2008
Pipelines 384 640
Core clock speed 575 MHz 660 MHz
Boost Clock 889 MHz
Transistor count 915 million 666 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 18.40 10.56
Floating-point performance 441.6 gflops 2x 422.4 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 - 2000 MHz 850 MHz
Memory bandwidth 14.4 GB/s 54.4 GB/s
Shared memory - -
DirectX 12 API 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.1 N/A
Vulkan 1.1.126 N/A
CUDA +
Bus support PCI Express 3.0
HDMI +
Bitcoin / BTC (SHA256) 39 Mh/s
Laptop size large
Standard memory configuration DDR3
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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