GeForce GT 750M SLI vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 750M SLI and Radeon R9 390X. 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 750M SLI and Radeon R9 390X. 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 750M SLI is a Laptop Graphics Card

Note: GeForce GT 750M 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 750M SLI here:

Main Specs

  GeForce GT 750M SLI Radeon R9 390X
Power consumption (TDP) 275 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin, 1 x 8-pin
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2x 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • GeForce GT 750M SLI is used in Laptops, and Radeon R9 390X - in Desktops.
  • GeForce GT 750M SLI is build with Kepler architecture, and Radeon R9 390X - with GCN.
  • GeForce GT 750M SLI and Radeon R9 390X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GT 750M SLI is 950 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 14−16 50−55
ultra / 1080p 8−9 30−35
QHD / 1440p 3−4 24−27
4K / 2160p 14−16
low / 720p 30−33 75−80
medium / 1080p 18−20 55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 226% more, than GeForce GT 750M SLI.

Full Specs

  GeForce GT 750M SLI Radeon R9 390X
Architecture Kepler GCN
Code name N14P-GT Grenada XT
Type Laptop Desktop
Release date 1 April 2013 16 June 2015
Pipelines 768 2816
Core clock speed 967 MHz
Boost Clock 1050 MHz
Transistor count 1300 Million 6,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 184.8
Floating-point performance 5,914 gflops
Length 275 mm
Memory bus width 2x 128 Bit 512 Bit
Memory clock speed 2000 - 5000 MHz 1050 MHz
Memory bandwidth 384 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 6.3
OpenGL 4.6
OpenCL 2.0
Vulkan +
CUDA +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s
Laptop size large
Eyefinity +
PowerTune +
TrueAudio +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 27.5 Mh/s
High bandwidth memory (HBM) -
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