GeForce GTX 275 vs Radeon R9 M390

When comparing GeForce GTX 275 and Radeon R9 M390, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GTX 275 and Radeon R9 M390 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 M390 here:

Main Specs

  GeForce GTX 275 Radeon R9 M390
Power consumption (TDP) 219 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 896 MB 2 GB
Display Connectors 2x DVI
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  • GeForce GTX 275 has 894 GB more memory, than Radeon R9 M390.
  • GeForce GTX 275 is used in Desktops, and Radeon R9 M390 - in Laptops.
  • GeForce GTX 275 is build with Tesla 2.0 architecture, and Radeon R9 M390 - with GCN.
  • GeForce GTX 275 is manufactured by 55 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks

high / 1080p 6−7 18−20
ultra / 1080p 4−5 10−11
QHD / 1440p 0−1 5−6
4K / 2160p 4−5
low / 720p 16−18 35−40
medium / 1080p 8−9 21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 144% more, than GeForce GTX 275.

Full Specs

  GeForce GTX 275 Radeon R9 M390
Architecture Tesla 2.0 GCN
Code name GT200B Pitcairn
Type Desktop Laptop
Release date 15 January 2009 9 June 2015
Pipelines 240 1024
Core clock speed 1404 MHz
Transistor count 1,400 million 5000 Million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 50.6 billion/sec
Floating-point performance 673.9 gflops
Length 10.5" (267 mm) (26.7 cm)
Memory bus width 448 Bit 256 Bit
Memory clock speed 1134 MHz
Memory bandwidth 127.0 GB/s
Shared memory -
DirectX 11.1 (10_0)
Shader Model 4.0
OpenGL 3.0 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
CUDA +
FreeSync +
CUDA cores 240
Bus support PCI-E 2.0 PCIe 3.0
Height 4.376" (111 mm) (11.1 cm)
SLI options +
Multi monitor support +
Maximum VGA resolution 2048x1536
Audio input for HDMI S/PDIF
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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