GeForce GTX 660 Ti vs Radeon HD 7870 XT

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 Ti and Radeon HD 7870 XT. 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 660 Ti and Radeon HD 7870 XT. 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 GTX 660 Ti Radeon HD 7870 XT
Power consumption (TDP) 150 Watt 185 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors Two 6-pin 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7870 XT has 23% more power consumption, than GeForce GTX 660 Ti.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GTX 660 Ti and Radeon HD 7870 XT have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GeForce GTX 660 Ti is build with Kepler architecture, and Radeon HD 7870 XT - with GCN 1.0.
  • Core clock speed of Radeon HD 7870 XT is 10 MHz higher, than GeForce GTX 660 Ti.
  • GeForce GTX 660 Ti and Radeon HD 7870 XT are manufactured by 28 nm process technology.
  • Radeon HD 7870 XT is 258 mm longer, than GeForce GTX 660 Ti.
  • Memory clock speed of Radeon HD 7870 XT is 5994 MHz higher, than GeForce GTX 660 Ti.

Game benchmarks

high / 1080p 21−24 35−40
ultra / 1080p 12−14 21−24
QHD / 1440p 8−9 16−18
4K / 2160p 5−6 10−11
low / 720p 40−45 60−65
medium / 1080p 27−30 40−45
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 60% more, than GeForce GTX 660 Ti.

Full Specs

  GeForce GTX 660 Ti Radeon HD 7870 XT
Architecture Kepler GCN 1.0
Code name GK104 Tahiti
Type Desktop Desktop
Release date 16 August 2012 19 November 2012
Pipelines 1344 1536
Core clock speed 915 MHz 925 MHz
Boost Clock 980 MHz 975 MHz
Transistor count 3,540 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 102.5 billion/sec 93.60
Floating-point performance 2,459.5 gflops 2,995 gflops
Length 9.5" (24.1 cm) 267 mm
Memory bus width 192-bit GDDR5 256 Bit
Memory clock speed 6.0 GB/s 6000 MHz
Memory bandwidth 144.2 GB/s 192.0 GB/s
Shared memory -
DirectX 12 (11_0) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.3 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
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 346 Mh/s
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
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