GeForce GT 755M vs Radeon HD 4890

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M and Radeon HD 4890. 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 Radeon HD 4890. 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 is a Laptop Graphics Card

Note: GeForce GT 755M 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 GeForce GT 755M here:

Main Specs

  GeForce GT 755M Radeon HD 4890
Power consumption (TDP) 50 Watt 190 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4890 has 280% more power consumption, than GeForce GT 755M.
  • GeForce GT 755M is connected by PCIe 3.0 x16, and Radeon HD 4890 uses PCIe 2.0 x16 interface.
  • GeForce GT 755M has 3 GB more memory, than Radeon HD 4890.
  • GeForce GT 755M is used in Laptops, and Radeon HD 4890 - in Desktops.
  • GeForce GT 755M is build with Kepler architecture, and Radeon HD 4890 - with TeraScale.
  • Core clock speed of GeForce GT 755M is 130 MHz higher, than Radeon HD 4890.
  • GeForce GT 755M is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
  • Memory clock speed of GeForce GT 755M is 1500 MHz higher, than Radeon HD 4890.

Game benchmarks

high / 1080p 7−8 7−8
ultra / 1080p 4−5 4−5
QHD / 1440p 0−1 0−1
low / 720p 18−20 16−18
medium / 1080p 9−10 8−9
The average gaming FPS of GeForce GT 755M in Assassin's Creed Odyssey is 11% more, than Radeon HD 4890.

Full Specs

  GeForce GT 755M Radeon HD 4890
Architecture Kepler TeraScale
Code name N14P- RV790
Type Laptop Desktop
Release date 25 June 2013 2 April 2009
Pipelines 384 800
Core clock speed 980 MHz 850 MHz
Transistor count 1,270 million 959 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 31.36 34.00
Floating-point performance 752.6 gflops 1,360.0 gflops
Length 241 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5400 MHz 3900 MHz
Memory bandwidth 86.4 GB/s 124.8 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
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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