NVIDIA RTX 4000 Ada Generation vs NVIDIA Tesla K20X
GPU Specs Compare
Graphics Card
Release Date
Aug 2023
Nov 2012
Generation
Workstation Ada
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1500 MHz
-
Boost Clock
2175 MHz
-
Memory Clock
2250 MHz
1300 MHz
Memory
Memory Size
20GB
6GB
Memory Type
GDDR6
GDDR5
Memory Bus
160bit
384bit
Bandwidth
360.0GB/s
249.6GB/s
Render Config
SM Count
48
-
Shading Units
6144
2688
TMUs
192
224
ROPs
64
48
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
48 MB
1536 KB
Theoretical Performance
Pixel Rate
139.2 GPixel/s
40.99 GPixel/s
Texture Rate
417.6 GTexel/s
164.0 GTexel/s
FP16 (half)
26.73 TFLOPS
-
FP32 (float)
26.73 TFLOPS
3.935 TFLOPS
FP64 (double)
417.6 GFLOPS
1312 GFLOPS
Graphics Processor
GPU Name
AD104
GK110
Architecture
Ada Lovelace
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
35.8 billion
7.08 billion
Die Size
294 mm²
561 mm²
Board Design
TDP
130W
235W
Suggested PSU
300 W
550 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
8.9
3.5
Shader Model
6.8
5.1