Home GPU Comparison NVIDIA RTX A4000H vs NVIDIA L20

NVIDIA RTX A4000H vs NVIDIA L20

NVIDIA RTX A4000H
VS
NVIDIA L20
NVIDIA RTX A4000H
NVIDIA L20
We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages
Lower TDP (140W vs 275W)
NVIDIA L20 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 62% (2520MHz vs 1560MHz)
More VRAM (48GB vs 16GB)
Larger VRAM bandwidth (864.0GB/s vs 448.0GB/s)
5632 additional rendering cores

Score

Benchmark

FP32 (float)
RTX A4000H
19.17 TFLOPS
L20 +209%
59.35 TFLOPS
RTX A4000H
VS
L20

Graphics Card

Apr 2021
Release Date
Nov 2023
Quadro Ampere
Generation
Tesla Ada
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

735 MHz
Base Clock
1440 MHz
1560 MHz
Boost Clock
2520 MHz
1750 MHz
Memory Clock
2250 MHz

Memory

16GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
384bit
448.0GB/s
Bandwidth
864.0GB/s

Render Config

-
-
-
48
SM Count
92
6144
Shading Units
11776
192
TMUs
368
96
ROPs
128
192
Tensor Cores
368
48
RT Cores
92
128 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
96 MB
-
-
-

Theoretical Performance

149.8 GPixel/s
Pixel Rate
322.6 GPixel/s
299.5 GTexel/s
Texture Rate
927.4 GTexel/s
19.17 TFLOPS
FP16 (half)
59.35 TFLOPS
19.17 TFLOPS
FP32 (float)
59.35 TFLOPS
299.5 GFLOPS
FP64 (double)
927.4 GFLOPS

Board Design

140W
TDP
275W
300 W
Suggested PSU
600 W
4x DisplayPort 1.4a
Outputs
4x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 16-pin

Graphics Processor

GA104
GPU Name
AD102
GA104-???-A1
GPU Variant
AD102
Ampere
Architecture
Ada Lovelace
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
17.4 billion
Transistors
76.3 billion
392 mm²
Die Size
609 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.9
6.7
Shader Model
6.7

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