NVIDIA RTX A3000 Mobile vs AMD Radeon Instinct MI8
We compared two Professional market GPUs: 6GB VRAM RTX A3000 Mobile and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A3000 Mobile 's Advantages
Released 4 years and 4 months late
Boost Clock1230MHz
More VRAM (6GB vs 4GB)
Lower TDP (70W vs 175W)
AMD Radeon Instinct MI8 's Advantages
Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)
Score
Benchmark
FP32 (float)
RTX A3000 Mobile
+23%
10.08 TFLOPS
Radeon Instinct MI8
8.192 TFLOPS
Graphics Card
Apr 2021
Release Date
Dec 2016
Ampere-MW
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
600 MHz
Base Clock
-
1230 MHz
Boost Clock
-
1375 MHz
Memory Clock
500 MHz
Memory
6GB
Memory Size
4GB
GDDR6
Memory Type
HBM
192bit
Memory Bus
4096bit
264.0GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
64
32
SM Count
-
4096
Shading Units
4096
128
TMUs
256
64
ROPs
64
128
Tensor Cores
-
32
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
78.72 GPixel/s
Pixel Rate
64.00 GPixel/s
157.4 GTexel/s
Texture Rate
256.0 GTexel/s
10.08 TFLOPS
FP16 (half)
8.192 TFLOPS
10.08 TFLOPS
FP32 (float)
8.192 TFLOPS
157.4 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
70W
TDP
175W
-
Suggested PSU
450 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
1x 8-pin
Graphics Processor
GA104
GPU Name
Fiji
-
GPU Variant
Fiji XT CA
(215-0862120)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
8.9 billion
392 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
-
6.8
Shader Model
6.5
