NVIDIA Tesla K40st vs NVIDIA RTX 4000 Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Aug 2023
Generation
Tesla
Workstation Ada
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1502 MHz
2250 MHz
Base Clock
-
1500 MHz
Boost Clock
-
2175 MHz
Memory
Memory Size
12GB
20GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
160bit
Bandwidth
288.4GB/s
360.0GB/s
Render Config
Shading Units
2880
6144
TMUs
240
192
ROPs
48
64
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1536 KB
48 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
34.50 GPixel/s
139.2 GPixel/s
Texture Rate
138.0 GTexel/s
417.6 GTexel/s
FP32 (float)
3.312 TFLOPS
26.73 TFLOPS
FP64 (double)
1104 GFLOPS
417.6 GFLOPS
FP16 (half)
-
26.73 TFLOPS
Graphics Processor
GPU Name
GK110B
AD104
Architecture
Kepler
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
35.8 billion
Die Size
561 mm²
294 mm²
Board Design
TDP
245W
130W
Suggested PSU
550 W
300 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
-
1x 16-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.9
Shader Model
5.1
6.8