GeForce GTX 775M vs Radeon R9 M385X

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 775M and Radeon R9 M385X. 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 775M and Radeon R9 M385X. 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 775M and Radeon R9 M385X are Laptop Graphics Cards

Note: GeForce GTX 775M and Radeon R9 M385X are only used in laptop graphics. They have 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 775M or Radeon R9 M385X here:

Main Specs

  GeForce GTX 775M Radeon R9 M385X
Power consumption (TDP) 100 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs
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  • GeForce GTX 775M and Radeon R9 M385X have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • GeForce GTX 775M is build with Kepler architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 381 MHz higher, than GeForce GTX 775M.
  • GeForce GTX 775M and Radeon R9 M385X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce GTX 775M is 2100 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 21−24 8−9
ultra / 1080p 12−14 5−6
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 18−20
medium / 1080p 27−30 10−11
The average gaming FPS of GeForce GTX 775M in Assassin's Creed Odyssey is 160% more, than Radeon R9 M385X.

Full Specs

  GeForce GTX 775M Radeon R9 M385X
Architecture Kepler GCN
Code name N13E-GTX-A2 Strato-XT-M3
Type Laptop Laptop
Release date 24 September 2013 16 June 2015
Pipelines 1344 896
Core clock speed 719 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 3540 Million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 61.60
Floating-point performance 1,971 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 3600 MHz 1500 MHz
Memory bandwidth 76.8 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 6.3
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0
SLI options +
Laptop size large large
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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