Home GPU Comparison NVIDIA GRID A100A vs NVIDIA RTX A4500

NVIDIA GRID A100A vs NVIDIA RTX A4500

We compared two Professional market GPUs: 48GB VRAM GRID A100A and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100A 's Advantages
More VRAM (48GB vs 20GB)
Larger VRAM bandwidth (1866GB/s vs 640.0GB/s)
NVIDIA RTX A4500 's Advantages
Released 1 years and 6 months late
Boost Clock has increased by 64% (1650MHz vs 1005MHz)
256 additional rendering cores
Lower TDP (200W vs 400W)

Score

Benchmark

FP32 (float)
GRID A100A
13.89 TFLOPS
RTX A4500 +70%
23.65 TFLOPS
VS

Graphics Card

May 2020
Release Date
Nov 2021
GRID
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

900 MHz
Base Clock
1050 MHz
1005 MHz
Boost Clock
1650 MHz
1215 MHz
Memory Clock
2000 MHz

Memory

48GB
Memory Size
20GB
HBM2e
Memory Type
GDDR6
6144bit
Memory Bus
320bit
1866GB/s
Bandwidth
640.0GB/s

Render Config

-
-
-
108
SM Count
56
6912
Shading Units
7168
432
TMUs
224
192
ROPs
96
432
Tensor Cores
224
-
RT Cores
56
192 KB (per SM)
L1 Cache
128 KB (per SM)
48 MB
L2 Cache
6 MB
-
-
-

Theoretical Performance

193.0 GPixel/s
Pixel Rate
158.4 GPixel/s
434.2 GTexel/s
Texture Rate
369.6 GTexel/s
55.57 TFLOPS
FP16 (half)
23.65 TFLOPS
13.89 TFLOPS
FP32 (float)
23.65 TFLOPS
6.947 TFLOPS
FP64 (double)
369.6 GFLOPS

Board Design

400W
TDP
200W
800 W
Suggested PSU
550 W
No outputs
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 8-pin

Graphics Processor

GA100
GPU Name
GA102
-
-
-
Ampere
Architecture
Ampere
TSMC
Foundry
Samsung
7 nm
Process Size
8 nm
54.2 billion
Transistors
28.3 billion
826 mm²
Die Size
628 mm²

Graphics Features

N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.3
8.0
CUDA
8.6
N/A
Shader Model
6.7

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