AMD Radeon Instinct MI25 vs AMD Radeon Instinct MI8
We compared two Professional market GPUs: 16GB VRAM Radeon Instinct MI25 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI25 's Advantages
Released 6 months late
Boost Clock1500MHz
More VRAM (16GB vs 4GB)
AMD Radeon Instinct MI8 's Advantages
Larger VRAM bandwidth (512.0GB/s vs 436.2GB/s)
Lower TDP (175W vs 300W)
Score
Benchmark
FP32 (float)
Radeon Instinct MI25
+50%
12.29 TFLOPS
Radeon Instinct MI8
8.192 TFLOPS
Graphics Card
Jun 2017
Release Date
Dec 2016
Radeon Instinct
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1400 MHz
Base Clock
-
1500 MHz
Boost Clock
-
852 MHz
Memory Clock
500 MHz
Memory
16GB
Memory Size
4GB
HBM2
Memory Type
HBM
2048bit
Memory Bus
4096bit
436.2GB/s
Bandwidth
512.0GB/s
Render Config
64
Compute Units
64
-
-
-
4096
Shading Units
4096
256
TMUs
256
64
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
96.00 GPixel/s
Pixel Rate
64.00 GPixel/s
384.0 GTexel/s
Texture Rate
256.0 GTexel/s
24.58 TFLOPS
FP16 (half)
8.192 TFLOPS
12.29 TFLOPS
FP32 (float)
8.192 TFLOPS
768.0 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
300W
TDP
175W
700 W
Suggested PSU
450 W
No outputs
Outputs
No outputs
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Vega 10
GPU Name
Fiji
Vega 10 XT GL
(215-0894124)
GPU Variant
Fiji XT CA
(215-0862120)
GCN 5.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
12.5 billion
Transistors
8.9 billion
495 mm²
Die Size
596 mm²
Graphics Features
12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2.170
-
-
-
6.4
Shader Model
6.5
