AMD Radeon Instinct MI8 vs NVIDIA RTX A5000
We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 24GB VRAM RTX A5000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI8 's Advantages
Lower TDP (175W vs 230W)
NVIDIA RTX A5000 's Advantages
Released 4 years and 4 months late
Boost Clock1695MHz
More VRAM (24GB vs 4GB)
Larger VRAM bandwidth (768.0GB/s vs 512.0GB/s)
4096 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Instinct MI8
8.192 TFLOPS
RTX A5000
+238%
27.77 TFLOPS
Graphics Card
Dec 2016
Release Date
Apr 2021
Radeon Instinct
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1170 MHz
-
Boost Clock
1695 MHz
500 MHz
Memory Clock
2000 MHz
Memory
4GB
Memory Size
24GB
HBM
Memory Type
GDDR6
4096bit
Memory Bus
384bit
512.0GB/s
Bandwidth
768.0GB/s
Render Config
64
Compute Units
-
-
SM Count
64
4096
Shading Units
8192
256
TMUs
256
64
ROPs
96
-
Tensor Cores
256
-
RT Cores
64
16 KB (per CU)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
64.00 GPixel/s
Pixel Rate
162.7 GPixel/s
256.0 GTexel/s
Texture Rate
433.9 GTexel/s
8.192 TFLOPS
FP16 (half)
27.77 TFLOPS
8.192 TFLOPS
FP32 (float)
27.77 TFLOPS
512.0 GFLOPS
FP64 (double)
433.9 GFLOPS
Board Design
175W
TDP
230W
450 W
Suggested PSU
550 W
No outputs
Outputs
4x DisplayPort 1.4a
1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Fiji
GPU Name
GA102
Fiji XT CA
(215-0862120)
GPU Variant
-
GCN 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
8.9 billion
Transistors
28.3 billion
596 mm²
Die Size
628 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
8.6
6.5
Shader Model
6.7
