GeForce GT 755M SLI vs Radeon HD 7870 XT

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 755M SLI 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 GT 755M SLI 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.

GeForce GT 755M SLI is a Laptop Graphics Card

Note: GeForce GT 755M SLI 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 GT 755M SLI here:

Main Specs

  GeForce GT 755M SLI Radeon HD 7870 XT
Power consumption (TDP) 2x ~50 Watt 185 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7870 XT has 9150% more power consumption, than GeForce GT 755M SLI.
  • GeForce GT 755M SLI and Radeon HD 7870 XT have maximum RAM of 2 GB.
  • GeForce GT 755M SLI is used in Laptops, and Radeon HD 7870 XT - in Desktops.
  • GeForce GT 755M SLI is build with Kepler architecture, and Radeon HD 7870 XT - with GCN 1.0.
  • Core clock speed of GeForce GT 755M SLI is 55 MHz higher, than Radeon HD 7870 XT.
  • GeForce GT 755M SLI and Radeon HD 7870 XT are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 XT is 600 MHz higher, than GeForce GT 755M SLI.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 2−3 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 140% more, than GeForce GT 755M SLI.

Full Specs

  GeForce GT 755M SLI Radeon HD 7870 XT
Architecture Kepler GCN 1.0
Code name N14P-? Tahiti
Type Laptop Desktop
Release date 1 November 2013 19 November 2012
Pipelines 768 1536
Core clock speed 980 MHz 925 MHz
Boost Clock 975 MHz
Transistor count 2x 1300 Million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 93.60
Floating-point performance 2,995 gflops
Length 267 mm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 5400 MHz 6000 MHz
Memory bandwidth 192.0 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
CUDA +
Bitcoin / BTC (SHA256) 346 Mh/s
Laptop size large
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
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