Radeon Pro 555X vs Radeon R9 380

In this comparison between Radeon Pro 555X and Radeon R9 380 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon Pro 555X will be the best choice, for others Radeon R9 380 will be their preference. Study the comparison tables below and make your choice.

Radeon Pro 555X is a Laptop Graphics Card

Note: Radeon Pro 555X 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 Radeon Pro 555X here:

Main Specs

  Radeon Pro 555X Radeon R9 380
Power consumption (TDP) 75 Watt 190 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None 2 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 380 has 153% more power consumption, than Radeon Pro 555X.
  • Radeon Pro 555X is connected by PCIe 3.0 x8, and Radeon R9 380 uses PCIe 3.0 x16 interface.
  • Radeon R9 380 has 2 GB more memory, than Radeon Pro 555X.
  • Radeon Pro 555X is used in Mobile workstations, and Radeon R9 380 - in Desktops.
  • Radeon Pro 555X is build with Polaris architecture, and Radeon R9 380 - with GCN.
  • Radeon Pro 555X is manufactured by 14 nm process technology, and Radeon R9 380 - by 28 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 4110 MHz higher, than Radeon R9 380.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 10−11 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 4−5 10−11
low / 720p 30−35 60−65
medium / 1080p 21−24 40−45
The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 113% more, than Radeon Pro 555X.

Full Specs

  Radeon Pro 555X Radeon R9 380
Architecture Polaris GCN
Code name Polaris 21 Tonga Pro
Type Mobile workstation Desktop
Release date 5 June 2017 26 June 2015
Pipelines 768 1792
Core clock speed 855 MHz
Boost Clock 970 MHz
Transistor count 3,000 million 5,000 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 43.54 108.6
Floating-point performance 3,476 gflops
Length 221 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5080 MHz 970 MHz
Memory bandwidth 81.6 GB/s 182.4 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.4 6.3
OpenGL 4.6 4.5
OpenCL 2.0 2.0
Vulkan 1.2.131 +
Monero / XMR (CryptoNight) 0.48 kh/s
FreeSync + +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 404 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
TrueAudio +
ZeroCore +
Mantle +
Design reference
Bridgeless CrossFire +
Number of Eyefinity displays 6
DisplayPort support +
CrossFire +
VCE +
DDMA audio +
Decred / DCR (Decred) 0.66 Gh/s
Ethereum / ETH (DaggerHashimoto) 18 Mh/s
Zcash / ZEC (Equihash) 168.45 Sol/s
Compute units 28
Form factor full height / full length / dual slot
High bandwidth memory (HBM) -
LiquidVR +
FRTC +
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