GeForce GTX 660 Ti vs Mobility Radeon HD 5870 Crossfire

If you are going to buy a new graphics card and are choosing between GeForce GTX 660 Ti and Mobility Radeon HD 5870 Crossfire, 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 GTX 660 Ti stacks up against Mobility Radeon HD 5870 Crossfire, check out specs charts below.

Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card

Note: Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:

Main Specs

  GeForce GTX 660 Ti Mobility Radeon HD 5870 Crossfire
Power consumption (TDP) 150 Watt 120 Watt
Interface PCIe 3.0 x16
Supplementary power connectors Two 6-pin
Memory type GDDR5 DDR3, GDDR3, GDDR5
Maximum RAM amount 2 GB 2x1 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GTX 660 Ti has 25% more power consumption, than Mobility Radeon HD 5870 Crossfire.
  • GeForce GTX 660 Ti and Mobility Radeon HD 5870 Crossfire have maximum RAM of 2 GB.
  • GeForce GTX 660 Ti is used in Desktops, and Mobility Radeon HD 5870 Crossfire - in Laptops.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
  • Core clock speed of GeForce GTX 660 Ti is 215 MHz higher, than Mobility Radeon HD 5870 Crossfire.
  • GeForce GTX 660 Ti is manufactured by 28 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.
  • Memory clock speed of Mobility Radeon HD 5870 Crossfire is 994 MHz higher, than GeForce GTX 660 Ti.

Game benchmarks

high / 1080p 21−24 16−18
ultra / 1080p 12−14 9−10
QHD / 1440p 8−9 4−5
4K / 2160p 5−6
low / 720p 40−45 30−35
medium / 1080p 27−30 18−20
The average gaming FPS of GeForce GTX 660 Ti in Assassin's Creed Odyssey is 43% more, than Mobility Radeon HD 5870 Crossfire.

Full Specs

  GeForce GTX 660 Ti Mobility Radeon HD 5870 Crossfire
Architecture Kepler Terascale 2
Code name GK104 Broadway-XT
Type Desktop Laptop
Release date 16 August 2012 7 January 2010
Pipelines 1344 1600
Core clock speed 915 MHz 700 MHz
Boost Clock 980 MHz
Transistor count 3,540 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 102.5 billion/sec
Floating-point performance 2,459.5 gflops
Length 9.5" (24.1 cm)
Memory bus width 192-bit GDDR5 128 Bit
Memory clock speed 6.0 GB/s 1000 MHz
Memory bandwidth 144.2 GB/s
Shared memory - -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.3
OpenCL 1.2
Vulkan 1.1.126
CUDA +
CUDA cores 1344
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDMI +
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
3D Blu-Ray +
3D Gaming +
3D Vision +
Bitcoin / BTC (SHA256) 99 Mh/s
Laptop size large
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