AMD Radeon Instinct MI8 vs AMD Radeon RX Vega 56 Mobile
GPU Specs Compare
Graphics Card
Release Date
Dec 2016
Jun 2018
Generation
Radeon Instinct
Mobility Radeon
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
500 MHz
800 MHz
Base Clock
-
1138 MHz
Boost Clock
-
1301 MHz
Memory
Memory Size
4GB
8GB
Memory Type
HBM
HBM2
Memory Bus
4096bit
2048bit
Bandwidth
512.0GB/s
409.6GB/s
Render Config
Compute Units
64
56
Shading Units
4096
3584
TMUs
256
224
ROPs
64
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
4 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
83.26 GPixel/s
Texture Rate
256.0 GTexel/s
291.4 GTexel/s
FP16 (half)
8.192 TFLOPS
18.65 TFLOPS
FP32 (float)
8.192 TFLOPS
9.326 TFLOPS
FP64 (double)
512.0 GFLOPS
582.8 GFLOPS
Graphics Processor
GPU Name
Fiji
Vega 10
GPU Variant
Fiji XT CA(215-0862120)
Vega 10 XL(215-0894216)
Architecture
GCN 3.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
8.9 billion
12.5 billion
Die Size
596 mm²
495 mm²
Board Design
TDP
175W
120W
Suggested PSU
450 W
-
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2
Shader Model
6.5
6.4