GeForce GTX 275 vs Radeon R9 M485X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 275 and Radeon R9 M485X. 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 275 and Radeon R9 M485X. 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.

Radeon R9 M485X is a Laptop Graphics Card

Note: Radeon R9 M485X 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 Radeon R9 M485X here:

Main Specs

  GeForce GTX 275 Radeon R9 M485X
Power consumption (TDP) 219 Watt 250 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Supplementary power connectors 2x 6-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 896 MB 8 GB MB
Display Connectors 2x DVI No outputs
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  • Radeon R9 M485X has 14% more power consumption, than GeForce GTX 275.
  • GeForce GTX 275 is connected by PCIe 2.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • GeForce GTX 275 has 888 GB more memory, than Radeon R9 M485X.
  • GeForce GTX 275 is used in Desktops, and Radeon R9 M485X - in Laptops.
  • GeForce GTX 275 is build with Tesla 2.0 architecture, and Radeon R9 M485X - with GCN 3.
  • Core clock speed of GeForce GTX 275 is 681 MHz higher, than Radeon R9 M485X.
  • GeForce GTX 275 is manufactured by 55 nm process technology, and Radeon R9 M485X - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 3866 MHz higher, than GeForce GTX 275.

Game benchmarks

high / 1080p 6−7 24−27
ultra / 1080p 4−5 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 16−18 45−50
medium / 1080p 8−9 30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 233% more, than GeForce GTX 275.

Full Specs

  GeForce GTX 275 Radeon R9 M485X
Architecture Tesla 2.0 GCN 3
Code name GT200B Amethyst
Type Desktop Laptop
Release date 15 January 2009 14 May 2016
Pipelines 240 2048
Core clock speed 1404 MHz 723 MHz
Transistor count 1,400 million 5,000 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 50.6 billion/sec 92.54
Floating-point performance 673.9 gflops 2,961 gflops
Length 10.5" (267 mm) (26.7 cm)
Memory bus width 448 Bit 256 Bit
Memory clock speed 1134 MHz 5000 MHz
Memory bandwidth 127.0 GB/s 160.0 GB/s
Shared memory -
DirectX 11.1 (10_0) 12 (12_0)
Shader Model 4.0 6.3
OpenGL 3.0 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
CUDA +
CUDA cores 240
Bus support PCI-E 2.0
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
Maximum VGA resolution 2048x1536
Audio input for HDMI S/PDIF
Laptop size large
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