AMD Radeon Instinct MI50 vs AMD Radeon Instinct MI8
We compared two Professional market GPUs: 8GB VRAM Radeon Instinct MI50 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 MI50 's Advantages
Released 8 years and 5 months late
Boost Clock3230MHz
More VRAM (8GB vs 4GB)
Lower TDP (150W vs 175W)
AMD Radeon Instinct MI8 's Advantages
Larger VRAM bandwidth (512.0GB/s vs 322.3GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Instinct MI50
+222%
26.46 TFLOPS
Radeon Instinct MI8
8.192 TFLOPS
Graphics Card
May 2025
Release Date
Dec 2016
Navi IV
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 5.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
2220 MHz
Base Clock
-
3230 MHz
Boost Clock
-
2518 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
HBM
128bit
Memory Bus
4096bit
322.3GB/s
Bandwidth
512.0GB/s
Render Config
32
Compute Units
64
-
-
-
2048
Shading Units
4096
128
TMUs
256
64
ROPs
64
-
-
-
32
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
2 MB
32 MB
L3 Cache
-
Theoretical Performance
206.7 GPixel/s
Pixel Rate
64.00 GPixel/s
413.4 GTexel/s
Texture Rate
256.0 GTexel/s
52.92 TFLOPS
FP16 (half)
8.192 TFLOPS
26.46 TFLOPS
FP32 (float)
8.192 TFLOPS
826.9 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
150W
TDP
175W
450 W
Suggested PSU
450 W
1x HDMI 2.1b
3x DisplayPort 2.1a
Outputs
No outputs
1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Navi 44
GPU Name
Fiji
Navi 44 XT
GPU Variant
Fiji XT CA
(215-0862120)
RDNA 4.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
4 nm
Process Size
28 nm
Unknown
Transistors
8.9 billion
153 mm²
Die Size
596 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.1
1.3
Vulkan
1.2.170
-
-
-
6.8
Shader Model
6.5
