GeForce GTX 950 vs Radeon RX 550X

When choosing between GeForce GTX 950 and Radeon RX 550X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GTX 950 and Radeon RX 550X.

Main Specs

  GeForce GTX 950 Radeon RX 550X
Power consumption (TDP) 90 Watt 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pins None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 1x HDMI, 3x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
Recommended system power (PSU) 350 Watt
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  • GeForce GTX 950 has 80% more power consumption, than Radeon RX 550X.
  • GeForce GTX 950 is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon RX 550X has 2 GB more memory, than GeForce GTX 950.
  • Both cards are used in Desktops.
  • GeForce GTX 950 is build with Maxwell architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 76 MHz higher, than GeForce GTX 950.
  • GeForce GTX 950 is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Radeon RX 550X is 138 mm longer, than GeForce GTX 950.
  • Memory clock speed of Radeon RX 550X is 5994 MHz higher, than GeForce GTX 950.

Game benchmarks

high / 1080p 35−40 10−11
ultra / 1080p 21−24 6−7
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 21−24
medium / 1080p 40−45 12−14
The average gaming FPS of GeForce GTX 950 in Assassin's Creed Odyssey is 215% more, than Radeon RX 550X.

Full Specs

  GeForce GTX 950 Radeon RX 550X
Architecture Maxwell GCN 4.0
Code name GM206 Lexa
Type Desktop Desktop
Release date 20 August 2015 16 December 2018
Pipelines 768 512
Core clock speed 1024 MHz 1100 MHz
Boost Clock 1188 MHz 1183 MHz
Transistor count 2,940 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 49.2 billion/sec 37.86
Floating-point performance 1,825 gflops 1,211 gflops
Length 7.938" (20.2 cm) 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 6.6 GB/s 6000 MHz
Memory bandwidth 105.6 GB/s 96 GB/s
Shared memory -
G-SYNC support +
DirectX 12 (12_1) 12 (12_0)
Shader Model 6.4 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 768
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options +
Multi monitor support 4 displays
HDCP +
Maximum VGA resolution 2048x1536
Audio input for HDMI Internal
Bitcoin / BTC (SHA256) 233 Mh/s
Ethereum / ETH (DaggerHashimoto) 9.97 Mh/s
GameStream +
GeForce ShadowPlay +
GPU Boost 2.0
GameWorks +
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