NVIDIA Tesla K20s vs NVIDIA GeForce RTX 4080
GPU Specs Compare
Graphics Card
Release Date
Feb 2013
Sep 2022
Generation
Tesla
GeForce 40
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
1400 MHz
Base Clock
-
2205 MHz
Boost Clock
-
2505 MHz
Memory
Memory Size
5GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
716.8GB/s
Render Config
Shading Units
2496
9728
TMUs
208
304
ROPs
40
112
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1280 KB
64 MB
SM Count
-
76
Tensor Cores
-
304
RT Cores
-
76
Theoretical Performance
Pixel Rate
29.90 GPixel/s
280.6 GPixel/s
Texture Rate
119.6 GTexel/s
761.5 GTexel/s
FP32 (float)
2.870 TFLOPS
48.74 TFLOPS
FP64 (double)
956.8 GFLOPS
761.5 GFLOPS
FP16 (half)
-
48.74 TFLOPS
Graphics Processor
GPU Name
GK110
AD103
Architecture
Kepler
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
45.9 billion
Die Size
561 mm²
379 mm²
GPU Variant
-
AD103-300-A1
Board Design
TDP
225W
320W
Suggested PSU
550 W
700 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
-
1x 16-pin
Graphics Features
DirectX
12 (11_0)
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
6.7
📊 Benchmark
3DMark Time Spy
-
28,173
3DMark Time Spy Extreme
-
14,002