AMD Radeon RX 455 OEM vs AMD Radeon Instinct MI50
GPU · Specs Compare
Graphics Card
Release Date
Jun 2016
Nov 2018
Generation
Arctic Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1625 MHz
1000 MHz
Base Clock
—
1200 MHz
Boost Clock
—
1746 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
128bit
4096bit
Bandwidth
104.0GB/s
1.02TB/s
Render Config
Compute Units
12
60
Shading Units
768
3840
TMUs
48
240
ROPs
16
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
4 MB
RT Cores
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
16.80 GPixel/s
111.7 GPixel/s
Texture Rate
50.40 GTexel/s
419.0 GTexel/s
FP32 (float)
1.613 TFLOPS
13.41 TFLOPS
FP64 (double)
100.8 GFLOPS
6.705 TFLOPS
FP16 (half)
—
26.82 TFLOPS
Graphics Processor
GPU Name
Tobago
Vega 20
GPU Variant
Tobago PRO(215-0875010)
Vega 20 GLXT
Architecture
GCN 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.08 billion
13.23 billion
Die Size
160 mm²
331 mm²
Board Design
TDP
100W
300W
Suggested PSU
300 W
700 W
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x mini-DisplayPort 1.4a
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.