GeForce 945M vs Radeon R9 280

If you are going to buy a new graphics card and are choosing between GeForce 945M and Radeon R9 280, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 945M stacks up against Radeon R9 280, check out specs charts below.

GeForce 945M is a Laptop Graphics Card

Note: GeForce 945M 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 945M here:

Main Specs

  GeForce 945M Radeon R9 280
Power consumption (TDP) 75 Watt 200 Watt
Interface MXM-B (3.0) PCIe 3.0 x16
Supplementary power connectors None 1 x 6-pin + 1 x 8-pin
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 3 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R9 280 has 166% more power consumption, than GeForce 945M.
  • GeForce 945M is connected by MXM-B (3.0), and Radeon R9 280 uses PCIe 3.0 x16 interface.
  • GeForce 945M has 1 GB more memory, than Radeon R9 280.
  • GeForce 945M is used in Laptops, and Radeon R9 280 - in Desktops.
  • GeForce 945M is build with Maxwell architecture, and Radeon R9 280 - with GCN 1.0.
  • GeForce 945M and Radeon R9 280 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 945M is 750 MHz higher, than Radeon R9 280.

Game benchmarks

high / 1080p 10−11 35−40
ultra / 1080p 6−7 21−24
QHD / 1440p 1−2 16−18
4K / 2160p 10−11
low / 720p 24−27 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 227% more, than GeForce 945M.

Full Specs

  GeForce 945M Radeon R9 280
Architecture Maxwell GCN 1.0
Code name GM107 Tahiti
Type Laptop Desktop
Release date 12 March 2015 4 March 2014
Pipelines 512 1792
Core clock speed 928 MHz
Boost Clock 1045 MHz 933 MHz
Transistor count 1,870 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 40.80 104.5
Floating-point performance 953.9 gflops 3,344 gflops
Length 275 mm
Memory bus width 128 Bit 384 Bit
Memory clock speed 2000 MHz 1250 MHz
Memory bandwidth 28.8 GB/s 240 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 +
CUDA +
FreeSync +
Bus support PCI Express 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 107 Mh/s 408 Mh/s
Laptop size medium sized
Optimus +
Eyefinity +
HD3D +
TrueAudio +
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
GPU Boost 2.0
GameWorks +
LiquidVR +
TressFX +
UVD +
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