GeForce GTX 960 vs Mobility Radeon HD 3870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 960 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 960 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.

Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

Note: Mobility Radeon HD 3870 X2 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 Mobility Radeon HD 3870 X2 here:

Main Specs

  GeForce GTX 960 Mobility Radeon HD 3870 X2
Power consumption (TDP) 120 Watt 110 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pins
Memory type GDDR5 GDDR3
Maximum RAM amount 4 GB 512 MB
Display Connectors 1x DVI, 1x HDMI, 3x DisplayPort No outputs
Recommended system power (PSU) 400 Watt
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  • GeForce GTX 960 has 9% more power consumption, than Mobility Radeon HD 3870 X2.
  • GeForce GTX 960 is connected by PCIe 3.0 x16, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
  • Mobility Radeon HD 3870 X2 has 508 GB more memory, than GeForce GTX 960.
  • GeForce GTX 960 is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
  • GeForce GTX 960 is build with Maxwell architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
  • Core clock speed of GeForce GTX 960 is 467 MHz higher, than Mobility Radeon HD 3870 X2.
  • GeForce GTX 960 is manufactured by 28 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
  • Memory clock speed of Mobility Radeon HD 3870 X2 is 843 MHz higher, than GeForce GTX 960.

Game benchmarks

high / 1080p 35−40 6−7
ultra / 1080p 21−24 4−5
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 16−18
medium / 1080p 40−45 8−9
The average gaming FPS of GeForce GTX 960 in Assassin's Creed Odyssey is 355% more, than Mobility Radeon HD 3870 X2.

Full Specs

  GeForce GTX 960 Mobility Radeon HD 3870 X2
Architecture Maxwell RV6xx
Code name GM206 M88-XT CF
Type Desktop Laptop
Release date 22 January 2015 1 September 2008
Pipelines 1024 640
Core clock speed 1127 MHz 660 MHz
Boost Clock 1178 MHz
Transistor count 2,940 million 666 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 72 billion/sec 10.56
Floating-point performance 2,413 gflops 2x 422.4 gflops
Length 9.5" (24.1 cm)
Memory bus width 128 Bit 256 Bit
Memory clock speed 7.0 GB/s 850 MHz
Memory bandwidth 112 GB/s 54.4 GB/s
Shared memory - -
G-SYNC support +
DirectX 12 (12_1) 10.1 (10_1)
Shader Model 6.4 4.1
OpenGL 4.4 3.3
OpenCL 1.2 N/A
Vulkan 1.1.126 N/A
CUDA +
Monero / XMR (CryptoNight) 0.27 kh/s
CUDA cores 1024
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 318 Mh/s
Laptop size large
Decred / DCR (Decred) 0.92 Gh/s
Ethereum / ETH (DaggerHashimoto) 8 Mh/s
Zcash / ZEC (Equihash) 141.47 Sol/s
GameStream +
GeForce ShadowPlay +
GPU Boost 2.0
GameWorks +
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