P104 100 vs Radeon R9 390X

Find out if it is worth upgrading your current GPU setup by comparing P104 100 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 P104 100 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

  P104 100 Radeon R9 390X
Power consumption (TDP) 275 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 8-pin 1 x 6-pin, 1 x 8-pin
Memory type GDDR5X GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
  Check Price
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Both cards are used in Desktops.
  • P104 100 is build with Pascal architecture, and Radeon R9 390X - with GCN.
  • P104 100 is manufactured by 16 nm process technology, and Radeon R9 390X - by 28 nm process technology.
  • Radeon R9 390X is 8 mm longer, than P104 100.
  • Memory clock speed of P104 100 is 8958 MHz higher, than Radeon R9 390X.

Game benchmarks

high / 1080p 35−40 50−55
ultra / 1080p 21−24 30−35
QHD / 1440p 16−18 24−27
4K / 2160p 10−11 14−16
low / 720p 60−65 75−80
medium / 1080p 40−45 55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 34% more, than P104 100.

Full Specs

  P104 100 Radeon R9 390X
Architecture Pascal GCN
Code name GP104 Grenada XT
Type Desktop Desktop
Release date 12 December 2017 16 June 2015
Pipelines 1920 2816
Core clock speed 1607 MHz
Boost Clock 1733 MHz 1050 MHz
Transistor count 7,200 million 6,200 million
Manufacturing process technology 16 nm 28 nm
Texture fill rate 208.0 184.8
Floating-point performance 8,873 gflops 5,914 gflops
Length 267 mm 275 mm
Memory bus width 256 Bit 512 Bit
Memory clock speed 10008 MHz 1050 MHz
Memory bandwidth 320.3 GB/s 384 GB/s
Shared memory -
DirectX 12 (12_1)
Shader Model 6.4 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131 +
CUDA 6.1
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) -
  Check Price