GeForce GT 755M vs Mobility Radeon HD 4870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M and Mobility Radeon HD 4870 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 755M and Mobility Radeon HD 4870 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 755M and Mobility Radeon HD 4870 X2 are Laptop Graphics Cards

Note: GeForce GT 755M and Mobility Radeon HD 4870 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 755M or Mobility Radeon HD 4870 X2 here:

Main Specs

  GeForce GT 755M Mobility Radeon HD 4870 X2
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Memory type GDDR5 GDDR3, GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GT 755M is connected by PCIe 3.0 x16, and Mobility Radeon HD 4870 X2 uses PCIe 2.0 x16 interface.
  • GeForce GT 755M has 2 GB more memory, than Mobility Radeon HD 4870 X2.
  • Both cards are used in Laptops.
  • GeForce GT 755M is build with Kepler architecture, and Mobility Radeon HD 4870 X2 - with Terascale 1.
  • Core clock speed of GeForce GT 755M is 430 MHz higher, than Mobility Radeon HD 4870 X2.
  • GeForce GT 755M is manufactured by 28 nm process technology, and Mobility Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of GeForce GT 755M is 4512 MHz higher, than Mobility Radeon HD 4870 X2.

Game benchmarks

high / 1080p 7−8 9−10
ultra / 1080p 4−5 5−6
QHD / 1440p 0−1 0−1
low / 720p 18−20 21−24
medium / 1080p 9−10 12−14
The average gaming FPS of Mobility Radeon HD 4870 X2 in Assassin's Creed Odyssey is 20% more, than GeForce GT 755M.

Full Specs

  GeForce GT 755M Mobility Radeon HD 4870 X2
Architecture Kepler Terascale 1
Code name N14P- M98-XT
Type Laptop Laptop
Release date 25 June 2013 9 January 2009
Pipelines 384 1600
Core clock speed 980 MHz 550 MHz
Transistor count 1,270 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 31.36 22.00
Floating-point performance 752.6 gflops 2x 880.0 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 5400 MHz 888 MHz
Memory bandwidth 86.4 GB/s 89.6 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 1.1
Vulkan 1.1.126 N/A
CUDA +
Bus support PCI Express 3.0, PCI Express 2.0
HDMI +
Bitcoin / BTC (SHA256) 27 Mh/s
Laptop size medium sized 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 +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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