Product Compare

NVIDIA RTX A400 vs NVIDIA Tesla K40s

GPU GPU
Graphics Card
Release Date Apr 2024 Nov 2013
Generation Quadro Ampere(Ax000) Tesla Kepler
Type Desktop Professional
Bus Interface PCIe 4.0 x8 PCIe 3.0 x16
Clock Speeds
Base Clock 1417 MHz 706 MHz
Boost Clock 1762 MHz 706 MHz
Memory Clock 1500 MHz 1502 MHz
Memory
Memory Size 4GB 12GB
Memory Type GDDR6 GDDR5
Memory Bus 64bit 384bit
Bandwidth 96.00GB/s 288.4GB/s
Render Config
SM Count 6
Shading Units 768 2880
TMUs 24 240
ROPs 16 48
Tensor Cores 24
RT Cores 6
L1 Cache 128 KB (per SM) 16 KB (per SMX)
L2 Cache 2 MB 1536 KB
Theoretical Performance
Pixel Rate 28.19 GPixel/s 42.36 GPixel/s
Texture Rate 42.29 GTexel/s 169.4 GTexel/s
FP16 (half) 2.706 TFLOPS
FP32 (float) 2.706 TFLOPS 4.067 TFLOPS
FP64 (double) 42.29 GFLOPS 1355.5 GFLOPS
Graphics Processor
GPU Name GA107 GK110B
Architecture Ampere Kepler
Foundry Samsung TSMC
Process Size 8 nm 28 nm
Transistors 8.7 billion 7.08 billion
Die Size 200 mm² 561 mm²
Board Design
TDP 50W 245W
Suggested PSU 250 W 550 W
Outputs 4x mini-DisplayPort 1.4a No outputs
Power Connectors None
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.2.175
CUDA 8.6 3.5
Shader Model 6.8 6.5 (5.1)