GeForce GT 650M SLI vs Radeon HD 4890

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 650M SLI 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 650M SLI 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 650M SLI is a Laptop Graphics Card

Note: GeForce GT 650M SLI 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 650M SLI here:

Main Specs

  GeForce GT 650M SLI Radeon HD 4890
Power consumption (TDP) 190 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 1 GB
Display Connectors 2x DVI, 1x S-Video
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  • GeForce GT 650M SLI has 1 GB more memory, than Radeon HD 4890.
  • GeForce GT 650M SLI is used in Laptops, and Radeon HD 4890 - in Desktops.
  • GeForce GT 650M SLI is build with Kepler architecture, and Radeon HD 4890 - with TeraScale.
  • Core clock speed of Radeon HD 4890 is 60 MHz higher, than GeForce GT 650M SLI.
  • GeForce GT 650M SLI is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
  • Memory clock speed of GeForce GT 650M SLI is 100 MHz higher, than Radeon HD 4890.

Game benchmarks

high / 1080p 12−14 7−8
ultra / 1080p 7−8 4−5
QHD / 1440p 2−3 0−1
low / 720p 24−27 16−18
medium / 1080p 14−16 8−9
The average gaming FPS of GeForce GT 650M SLI in Assassin's Creed Odyssey is 66% more, than Radeon HD 4890.

Full Specs

  GeForce GT 650M SLI Radeon HD 4890
Architecture Kepler TeraScale
Code name N13E-GE RV790
Type Laptop Desktop
Release date 22 March 2012 2 April 2009
Pipelines 768 800
Core clock speed 790 MHz 850 MHz
Boost Clock 835 MHz
Transistor count 959 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 34.00
Floating-point performance 1,360.0 gflops
Length 241 mm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 4000 MHz 3900 MHz
Memory bandwidth 124.8 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
CUDA +
Laptop size medium sized
Optimus +
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