GeForce GTX 950 vs Mobility Radeon HD 4870 X2

If you are going to buy a new graphics card and are choosing between GeForce GTX 950 and Mobility Radeon HD 4870 X2, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 950 stacks up against Mobility Radeon HD 4870 X2, check out specs charts below.

Mobility Radeon HD 4870 X2 is a Laptop Graphics Card

Note: Mobility Radeon HD 4870 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 4870 X2 here:

Main Specs

  GeForce GTX 950 Mobility Radeon HD 4870 X2
Power consumption (TDP) 90 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pins
Memory type GDDR5 GDDR3, GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 3x DisplayPort No outputs
Recommended system power (PSU) 350 Watt
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  • GeForce GTX 950 is connected by PCIe 3.0 x16, and Mobility Radeon HD 4870 X2 uses PCIe 2.0 x16 interface.
  • GeForce GTX 950 and Mobility Radeon HD 4870 X2 have maximum RAM of 2 GB.
  • GeForce GTX 950 is used in Desktops, and Mobility Radeon HD 4870 X2 - in Laptops.
  • GeForce GTX 950 is build with Maxwell architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
  • Core clock speed of GeForce GTX 950 is 474 MHz higher, than Mobility Radeon HD 4870 X2.
  • GeForce GTX 950 is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of Mobility Radeon HD 4870 X2 is 882 MHz higher, than GeForce GTX 950.

Game benchmarks

high / 1080p 35−40 9−10
ultra / 1080p 21−24 5−6
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 21−24
medium / 1080p 40−45 12−14
The average gaming FPS of GeForce GTX 950 in Assassin's Creed Odyssey is 241% more, than Mobility Radeon HD 4870 X2.

Full Specs

  GeForce GTX 950 Mobility Radeon HD 4870 X2
Architecture Maxwell Terascale 1
Code name GM206 M98-XT
Type Desktop Laptop
Release date 20 August 2015 9 January 2009
Pipelines 768 1600
Core clock speed 1024 MHz 550 MHz
Boost Clock 1188 MHz
Transistor count 2,940 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 49.2 billion/sec 22.00
Floating-point performance 1,825 gflops 2x 880.0 gflops
Length 7.938" (20.2 cm)
Memory bus width 128 Bit 256 Bit
Memory clock speed 6.6 GB/s 888 MHz
Memory bandwidth 105.6 GB/s 89.6 GB/s
Shared memory - -
G-SYNC support +
DirectX 12 (12_1) 10.1 (10_1)
Shader Model 6.4 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA +
CUDA cores 768
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) 233 Mh/s
Laptop size large
Ethereum / ETH (DaggerHashimoto) 9.97 Mh/s
GameStream +
GeForce ShadowPlay +
GPU Boost 2.0
GameWorks +
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