GeForce GTX 880M vs Mobility Radeon HD 3870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 880M 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 GTX 880M 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 GTX 880M and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards

Note: GeForce GTX 880M 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 GTX 880M or Mobility Radeon HD 3870 X2 here:

Main Specs

  GeForce GTX 880M Mobility Radeon HD 3870 X2
Power consumption (TDP) 122 Watt 110 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR3
Maximum RAM amount 8 GB 512 MB
Display Connectors No outputs No outputs
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  • GeForce GTX 880M has 10% more power consumption, than Mobility Radeon HD 3870 X2.
  • GeForce GTX 880M is connected by MXM-B (3.0), and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
  • Mobility Radeon HD 3870 X2 has 504 GB more memory, than GeForce GTX 880M.
  • Both cards are used in Laptops.
  • GeForce GTX 880M is build with Kepler architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
  • Core clock speed of GeForce GTX 880M is 294 MHz higher, than Mobility Radeon HD 3870 X2.
  • GeForce GTX 880M is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.

Game benchmarks

high / 1080p 20−22 6−7
ultra / 1080p 12−14 4−5
QHD / 1440p 6−7 0−1
4K / 2160p 5−6
low / 720p 40−45 16−18
medium / 1080p 24−27 8−9
The average gaming FPS of GeForce GTX 880M in Assassin's Creed Odyssey is 177% more, than Mobility Radeon HD 3870 X2.

Full Specs

  GeForce GTX 880M Mobility Radeon HD 3870 X2
Architecture Kepler RV6xx
Code name N15E-GX-A2 M88-XT CF
Type Laptop Laptop
Release date 12 March 2014 1 September 2008
Pipelines 1536 640
Core clock speed 954 MHz 660 MHz
Boost Clock 993 MHz
Transistor count 3,540 million 666 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 127.1 10.56
Floating-point performance 3,050 gflops 2x 422.4 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 850 MHz
Memory bandwidth 160.0 GB/s 54.4 GB/s
Shared memory - -
DirectX 12 (11_0) 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 +
CUDA cores 1536
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 96 Mh/s
Laptop size large large
Standard memory configuration GDDR5
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 +
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