GeForce GTX 675M vs Radeon HD 4870 X2

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 675M and Radeon HD 4870 X2. 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 675M and Radeon HD 4870 X2. 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 GTX 675M is a Laptop Graphics Card

Note: GeForce GTX 675M 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 GTX 675M here:

Main Specs

  GeForce GTX 675M Radeon HD 4870 X2
Power consumption (TDP) 100 Watt 286 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4870 X2 has 186% more power consumption, than GeForce GTX 675M.
  • GeForce GTX 675M is connected by MXM-B (3.0), and Radeon HD 4870 X2 uses PCIe 2.0 x16 interface.
  • GeForce GTX 675M has 1 GB more memory, than Radeon HD 4870 X2.
  • GeForce GTX 675M is used in Laptops, and Radeon HD 4870 X2 - in Desktops.
  • GeForce GTX 675M is build with Fermi architecture, and Radeon HD 4870 X2 - with TeraScale.
  • Core clock speed of Radeon HD 4870 X2 is 80 MHz higher, than GeForce GTX 675M.
  • GeForce GTX 675M is manufactured by 40 nm process technology, and Radeon HD 4870 X2 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4870 X2 is 2100 MHz higher, than GeForce GTX 675M.

Game benchmarks

high / 1080p 10−11 3−4
ultra / 1080p 6−7 1−2
QHD / 1440p 0−1 0−1
low / 720p 21−24 14−16
medium / 1080p 12−14 6−7
The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 116% more, than Radeon HD 4870 X2.

Full Specs

  GeForce GTX 675M Radeon HD 4870 X2
Architecture Fermi TeraScale
Code name N13E-GS1 R700
Type Laptop Desktop
Release date 22 March 2012 12 August 2008
Pipelines 384 800
Core clock speed 620 MHz 700 MHz
Transistor count 1,950 million 956 million
Manufacturing process technology 40 nm 55 nm
Texture fill rate 39.7 billion/sec 28.00
Floating-point performance 952.3 gflops 2x 1,120.0 gflops
Length 267 mm
Memory bus width 256bit 256 Bit
Memory clock speed 1500 MHz 3600 MHz
Memory bandwidth 96.0 GB/s 115.2 GB/s
Shared memory -
DirectX 12 API 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.5 3.3
OpenCL 1.1 1.1
Vulkan N/A N/A
CUDA +
CUDA cores 384
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 59 Mh/s
Laptop size large
Optimus +
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