NVIDIA RTX A4500 vs AMD Radeon Instinct MI8
We compared two Professional market GPUs: 20GB VRAM RTX A4500 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 A4500 's Advantages
Released 4 years and 11 months late
Boost Clock1650MHz
More VRAM (20GB vs 4GB)
Larger VRAM bandwidth (640.0GB/s vs 512.0GB/s)
3072 additional rendering cores
AMD Radeon Instinct MI8 's Advantages
Lower TDP (175W vs 200W)
Score
Benchmark
FP32 (float)
RTX A4500
+188%
23.65 TFLOPS
Radeon Instinct MI8
8.192 TFLOPS
Graphics Card
Nov 2021
Release Date
Dec 2016
Quadro Ampere
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
20GB
Memory Size
4GB
GDDR6
Memory Type
HBM
320bit
Memory Bus
4096bit
640.0GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
64
56
SM Count
-
7168
Shading Units
4096
224
TMUs
256
96
ROPs
64
224
Tensor Cores
-
56
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
158.4 GPixel/s
Pixel Rate
64.00 GPixel/s
369.6 GTexel/s
Texture Rate
256.0 GTexel/s
23.65 TFLOPS
FP16 (half)
8.192 TFLOPS
23.65 TFLOPS
FP32 (float)
8.192 TFLOPS
369.6 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
200W
TDP
175W
550 W
Suggested PSU
450 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 8-pin
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
