Home GPU Comparison NVIDIA L40 vs NVIDIA A800 SXM4 80 GB

NVIDIA L40 vs NVIDIA A800 SXM4 80 GB

AI GPU We compared a Professional market GPU: 48GB VRAM L40 and a GPU: 80GB VRAM A800 SXM4 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L40 's Advantages
Boost Clock has increased by 77% (2490MHz vs 1410MHz)
11264 additional rendering cores
Lower TDP (300W vs 400W)
NVIDIA A800 SXM4 80 GB 's Advantages
More VRAM (80GB vs 48GB)
Larger VRAM bandwidth (2039GB/s vs 864.0GB/s)

Score

Benchmark

FP32 (float)
L40 +364%
90.52 TFLOPS
A800 SXM4 80 GB
19.49 TFLOPS
L40
VS

Graphics Card

Oct 2022
Release Date
Aug 2022
Tesla Ada
Generation
Ampere
Professional
Type
AI GPU
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

735 MHz
Base Clock
1155 MHz
2490 MHz
Boost Clock
1410 MHz
2250 MHz
Memory Clock
1593 MHz

Memory

48GB
Memory Size
80GB
GDDR6
Memory Type
HBM2e
384bit
Memory Bus
5120bit
864.0GB/s
Bandwidth
2039GB/s

Render Config

-
-
-
142
SM Count
108
18176
Shading Units
6912
568
TMUs
432
192
ROPs
160
568
Tensor Cores
432
142
RT Cores
-
128 KB (per SM)
L1 Cache
192 KB (per SM)
96 MB
L2 Cache
40 MB
-
-
-

Theoretical Performance

478.1 GPixel/s
Pixel Rate
225.6 GPixel/s
1414 GTexel/s
Texture Rate
609.1 GTexel/s
90.52 TFLOPS
FP16 (half)
77.97 TFLOPS
90.52 TFLOPS
FP32 (float)
19.49 TFLOPS
1414 GFLOPS
FP64 (double)
9.746 TFLOPS

Board Design

300W
TDP
400W
700 W
Suggested PSU
800 W
4x DisplayPort 1.4a
Outputs
No outputs
1x 16-pin
Power Connectors
None

Graphics Processor

AD102
GPU Name
GA100
AD102-895-A1
GPU Variant
-
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
TSMC
4 nm
Process Size
7 nm
76.3 billion
Transistors
54.2 billion
608 mm²
Die Size
826 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
8.9
CUDA
8.0
6.6
Shader Model
N/A

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