AMD Radeon R9 390X vs AMD Radeon E9390 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Oct 2019
Generation
Pirate Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1250 MHz
Base Clock
—
713 MHz
Boost Clock
—
1089 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
160.0GB/s
Render Config
Compute Units
44
28
Shading Units
2816
1792
TMUs
176
112
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
2 MB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
34.85 GPixel/s
Texture Rate
184.8 GTexel/s
122.0 GTexel/s
FP32 (float)
5.914 TFLOPS
3.903 TFLOPS
FP64 (double)
739.2 GFLOPS
243.9 GFLOPS
FP16 (half)
—
3.903 TFLOPS
Graphics Processor
GPU Name
Grenada
Ellesmere
GPU Variant
Grenada XT(215-0880004)
—
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
6.2 billion
5.7 billion
Die Size
438 mm²
232 mm²
Board Design
TDP
275W
75W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.