NVIDIA RTX A4500 vs AMD Instinct MI300A
We compared two Professional market GPUs: 20GB VRAM RTX A4500 and 128GB VRAM AMD Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4500 's Advantages
Lower TDP (200W vs 760W)
AMD Instinct MI300A 's Advantages
Released 2 years and 1 months late
Boost Clock has increased by 27% (2100MHz vs 1650MHz)
More VRAM (128GB vs 20GB)
Larger VRAM bandwidth (5300GB/s vs 640.0GB/s)
7424 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4500
23.65 TFLOPS
AMD Instinct MI300A
+418%
122.6 TFLOPS
Graphics Card
Nov 2021
Release Date
Dec 2023
Quadro Ampere
Generation
Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1050 MHz
Base Clock
1000 MHz
1650 MHz
Boost Clock
2100 MHz
2000 MHz
Memory Clock
5200 MHz
Memory
20GB
Memory Size
128GB
GDDR6
Memory Type
HBM3
320bit
Memory Bus
8192bit
640.0GB/s
Bandwidth
5300GB/s
Render Config
-
Compute Units
228
56
SM Count
-
7168
Shading Units
14592
224
TMUs
880
96
ROPs
0
224
Tensor Cores
-
56
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
16 MB
-
-
-
Theoretical Performance
158.4 GPixel/s
Pixel Rate
0 MPixel/s
369.6 GTexel/s
Texture Rate
1496 GTexel/s
23.65 TFLOPS
FP16 (half)
980.6 TFLOPS
23.65 TFLOPS
FP32 (float)
122.6 TFLOPS
369.6 GFLOPS
FP64 (double)
61.3 TFLOPS
Board Design
200W
TDP
760W
550 W
Suggested PSU
1000 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 8-pin
Power Connectors
None
Graphics Processor
GA102
GPU Name
MI300
-
-
-
Ampere
Architecture
CDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
28.3 billion
Transistors
146 billion
628 mm²
Die Size
1017 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
8.6
CUDA
-
6.7
Shader Model
N/A
