RTX A6000 vs Radeon Instinct MI8
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A6000 's Advantages
Released 3 years and 10 months late
Boost Clock1800MHz
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (768.0GB/s vs 512.0GB/s)
6656 additional rendering cores
Radeon Instinct MI8 's Advantages
Lower TDP (175W vs 300W)
Score
Benchmark
FP32 (float)
RTX A6000
+372%
38710
Radeon Instinct MI8
8192
Graphics Card
Oct 2020
Release Date
Dec 2016
Quadro Ampere
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1800 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
48GB
Memory Size
4GB
GDDR6
Memory Type
HBM
384bit
Memory Bus
4096bit
768.0GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
64
84
SM Count
-
10752
Shading Units
4096
336
TMUs
256
112
ROPs
64
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
2 MB
Theoretical Performance
201.6 GPixel/s
Pixel Rate
64.00 GPixel/s
604.8 GTexel/s
Texture Rate
256.0 GTexel/s
38.71 TFLOPS
FP16 (half)
8.192 TFLOPS
38.71 TFLOPS
FP32 (float)
8.192 TFLOPS
604.8 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
300W
TDP
175W
700 W
Suggested PSU
450 W
4x DisplayPort 1.4a
Outputs
No outputs
8-pin EPS
Power Connectors
1x 8-pin
Graphics Processor
GA102
GPU Name
Fiji
-
GPU Variant
Fiji XT CA
(215-0862120)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
8.9 billion
628 mm²
Die Size
596 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
8.6
CUDA
-
6.7
Shader Model
6.5
