GeForce 945M vs Radeon HD 4870

Find out if it is worth upgrading your current GPU setup by comparing GeForce 945M and Radeon HD 4870. 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 945M and Radeon HD 4870. 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 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 HD 4870
Power consumption (TDP) 75 Watt 150 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4870 has 100% more power consumption, than GeForce 945M.
  • GeForce 945M is connected by MXM-B (3.0), and Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • GeForce 945M has 3 GB more memory, than Radeon HD 4870.
  • GeForce 945M is used in Laptops, and Radeon HD 4870 - in Desktops.
  • GeForce 945M is build with Maxwell architecture, and Radeon HD 4870 - with TeraScale.
  • Core clock speed of GeForce 945M is 178 MHz higher, than Radeon HD 4870.
  • GeForce 945M is manufactured by 28 nm process technology, and Radeon HD 4870 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4870 is 1600 MHz higher, than GeForce 945M.

Game benchmarks

high / 1080p 10−11 3−4
ultra / 1080p 6−7 1−2
QHD / 1440p 1−2 0−1
low / 720p 24−27 14−16
medium / 1080p 12−14 6−7
The average gaming FPS of GeForce 945M in Assassin's Creed Odyssey is 116% more, than Radeon HD 4870.

Full Specs

  GeForce 945M Radeon HD 4870
Architecture Maxwell TeraScale
Code name GM107 RV770
Type Laptop Desktop
Release date 12 March 2015 25 June 2008
Pipelines 512 800
Core clock speed 928 MHz 750 MHz
Boost Clock 1045 MHz
Transistor count 1,870 million 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 40.80 30.00
Floating-point performance 953.9 gflops 1,200.0 gflops
Length 250 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 2000 MHz 3600 MHz
Memory bandwidth 28.8 GB/s 115.2 GB/s
Shared memory -
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA +
Bus support PCI Express 3.0
Bitcoin / BTC (SHA256) 107 Mh/s
Laptop size medium sized
Optimus +
GPU Boost 2.0
GameWorks +
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