RTX A6000 vs L40 CNX
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 24GB VRAM L40 CNX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A6000 's Advantages
More VRAM (48GB vs 24GB)
L40 CNX 's Advantages
Released 2 years late
Boost Clock has increased by 38% (2475MHz vs 1800MHz)
Larger VRAM bandwidth (864.0GB/s vs 768.0GB/s)
7424 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A6000
38710
L40 CNX
+132%
89970
Graphics Card
Oct 2020
Release Date
Oct 2022
Quadro Ampere
Generation
Tesla Ada
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1410 MHz
Base Clock
1005 MHz
1800 MHz
Boost Clock
2475 MHz
2000 MHz
Memory Clock
2250 MHz
Memory
48GB
Memory Size
24GB
GDDR6
Memory Type
GDDR6
384bit
Memory Bus
384bit
768.0GB/s
Bandwidth
864.0GB/s
Render Config
84
SM Count
142
10752
Shading Units
18176
336
TMUs
568
112
ROPs
192
336
Tensor Cores
568
84
RT Cores
142
128 KB (per SM)
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
48 MB
Theoretical Performance
201.6 GPixel/s
Pixel Rate
475.2 GPixel/s
604.8 GTexel/s
Texture Rate
1406 GTexel/s
38.71 TFLOPS
FP16 (half)
89.97 TFLOPS
38.71 TFLOPS
FP32 (float)
89.97 TFLOPS
604.8 GFLOPS
FP64 (double)
1406 GFLOPS
Board Design
300W
TDP
300W
700 W
Suggested PSU
700 W
4x DisplayPort 1.4a
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
8-pin EPS
Power Connectors
1x 16-pin
Graphics Processor
GA102
GPU Name
AD102
-
GPU Variant
AD102-???-A1
Ampere
Architecture
Ada Lovelace
Samsung
Foundry
TSMC
8 nm
Process Size
4 nm
28.3 billion
Transistors
76.3 billion
628 mm²
Die Size
608 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
6.6
