AMD Radeon Instinct MI8 vs AMD Radeon RX 550 Mobile
GPU Specs Compare
Graphics Card
Release Date
Dec 2016
Jul 2017
Generation
Radeon Instinct
Mobility Radeon
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
500 MHz
1500 MHz
Base Clock
-
1100 MHz
Boost Clock
-
1287 MHz
Memory
Memory Size
4GB
2GB
Memory Type
HBM
GDDR5
Memory Bus
4096bit
128bit
Bandwidth
512.0GB/s
96.00GB/s
Render Config
Compute Units
64
10
Shading Units
4096
640
TMUs
256
40
ROPs
64
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
20.59 GPixel/s
Texture Rate
256.0 GTexel/s
51.48 GTexel/s
FP16 (half)
8.192 TFLOPS
1.647 TFLOPS
FP32 (float)
8.192 TFLOPS
1.647 TFLOPS
FP64 (double)
512.0 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
Fiji
Lexa
GPU Variant
Fiji XT CA(215-0862120)
Lexa PRO(215-0904018)
Architecture
GCN 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
8.9 billion
2.2 billion
Die Size
596 mm²
103 mm²
Board Design
TDP
175W
50W
Suggested PSU
450 W
-
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2
Shader Model
6.5
6.4