GeForce 945A vs Radeon HD 7970

Find out if it is worth upgrading your current GPU setup by comparing GeForce 945A and Radeon HD 7970. 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 945A and Radeon HD 7970. 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.

Main Specs

  GeForce 945A Radeon HD 7970
Power consumption (TDP) 33 Watt 300 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7970 has 809% more power consumption, than GeForce 945A.
  • GeForce 945A is connected by PCIe 3.0 x8, and Radeon HD 7970 uses PCIe 3.0 x16 interface.
  • Radeon HD 7970 has 2 GB more memory, than GeForce 945A.
  • Both cards are used in Desktops.
  • GeForce 945A is build with Maxwell architecture, and Radeon HD 7970 - with GCN.
  • GeForce 945A and Radeon HD 7970 are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 945A is 3637 MHz higher, than Radeon HD 7970.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 20−22 60−65
medium / 1080p 10−12 40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 272% more, than GeForce 945A.

Full Specs

  GeForce 945A Radeon HD 7970
Architecture Maxwell GCN
Code name GM108 Tahiti XT
Type Desktop Desktop
Release date 13 March 2015 22 December 2011
Pipelines 384 2048
Core clock speed 1072 MHz
Boost Clock 1189 MHz 925 MHz
Transistor count 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 28.54 118.4
Floating-point performance 903.2 gflops 3,789 gflops
Length 274 mm
Memory bus width 64 Bit 384 Bit
Memory clock speed 5012 MHz 1375 MHz
Memory bandwidth 40.1 GB/s 264 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA 5.0
FreeSync +
Bus support PCIe 2.1 x16
HDMI +
Bitcoin / BTC (SHA256) 108 Mh/s 485 Mh/s
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s
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