AMD Radeon RX 455 OEM vs AMD Radeon E9390 PCIe
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Oct 2019
Generation
Arctic Islands
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1625 MHz
1250 MHz
Base Clock
-
713 MHz
Boost Clock
-
1089 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
104.0GB/s
160.0GB/s
Render Config
Compute Units
12
28
Shading Units
768
1792
TMUs
48
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
34.85 GPixel/s
Texture Rate
50.40 GTexel/s
122.0 GTexel/s
FP32 (float)
1.613 TFLOPS
3.903 TFLOPS
FP64 (double)
100.8 GFLOPS
243.9 GFLOPS
FP16 (half)
-
3.903 TFLOPS
Graphics Processor
GPU Name
Tobago
Ellesmere
GPU Variant
Tobago PRO(215-0875010)
-
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
5.7 billion
Die Size
160 mm²
232 mm²
Board Design
TDP
100W
75W
Suggested PSU
300 W
-
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Power Connectors
1x 6-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