AMD Radeon E8950 vs AMD Radeon R9 390 X2

What is the difference between AMD Radeon E8950 and AMD Radeon R9 390 X2. Find out which graphics card has better performance.

Graphics Processor (GPU)

AmethystGPU NameGrenada
E8950Model numberGrenada PRO
(215-0880030)
GCN 3.0ArchitectureGCN 2.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
5,000 millionTransistors6,200 million
366 mm²Die Size438 mm²

Graphics Card

Sep 29th, 2015Release DateSep 3rd, 2015
Embedded
(8000)
FamilyPirate Islands
(R9 300)
ActiveProductionActive
MXM-B (3.0)Bus InterfacePCIe 3.0 x16

Memory

8 GBMemory Size8 GB x2
GDDR5Memory TypeGDDR5
256 bitMemory Bus512 bit x2

Clock Speeds

1500 MHz
6 Gbps effective
Memory Clock1350 MHz
5.4 Gbps effective

Render Config

128TMUs160 x2
32ROPs64 x2

Board Design

95 WThermal design power (TDP)580 W
No outputsDisplay Connectors2x DVI
1x HDMI
1x DisplayPort
NonePower Connectors4x 8-pin
C769Board NumberC671

API support

12 (12_0)DirectX12 (12_0)
4.6OpenGL4.6
2.0OpenCL2.0
1.2Vulkan1.2
6.3Shader Model6.3