Radeon Pro SSG vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing Radeon Pro SSG 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 Radeon Pro SSG 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.

Main Specs

  Radeon Pro SSG Radeon R9 390X
Power consumption (TDP) 350 Watt 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin 1 x 6-pin, 1 x 8-pin
Memory type HBM2 GDDR5
Maximum RAM amount 16 GB
Display Connectors 6x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon Pro SSG has 27% more power consumption, than Radeon R9 390X.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Both cards are used in Desktops.
  • Radeon Pro SSG is build with GCN 5.0 architecture, and Radeon R9 390X - with GCN.
  • Radeon Pro SSG is manufactured by 14 nm process technology, and Radeon R9 390X - by 28 nm process technology.
  • Radeon R9 390X is 8 mm longer, than Radeon Pro SSG.
  • Memory clock speed of Radeon Pro SSG is 840 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 50−55 50−55
ultra / 1080p 35−40 30−35
QHD / 1440p 27−30 24−27
4K / 2160p 16−18 14−16
low / 720p 80−85 75−80
medium / 1080p 60−65 55−60
The average gaming FPS of Radeon Pro SSG in Assassin's Creed Odyssey is 6% more, than Radeon R9 390X.

Full Specs

  Radeon Pro SSG Radeon R9 390X
Architecture GCN 5.0 GCN
Code name Vega 10 Grenada XT
Type Workstation Desktop
Release date 8 August 2017 16 June 2015
Pipelines 4096 2816
Core clock speed 1440 MHz
Boost Clock 1500 MHz 1050 MHz
Transistor count 12,500 million 6,200 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 384.0 184.8
Floating-point performance 12,288 gflops 5,914 gflops
Length 267 mm 275 mm
Memory bus width 2048 Bit 512 Bit
Memory clock speed 1890 MHz 1050 MHz
Memory bandwidth 483.8 GB/s 384 GB/s
Shared memory -
DirectX 12 (12_1)
Shader Model 6.4 6.3
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.1.125 +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 684 Mh/s
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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