NVIDIA Tesla K20m vs NVIDIA GB10
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Oct 2025
Generation
Tesla
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1300 MHz
1067 MHz
Base Clock
—
1665 MHz
Boost Clock
—
2418 MHz
Memory
Memory Size
5GB
128GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
273.2GB/s
Render Config
Shading Units
2496
6144
TMUs
208
384
ROPs
40
48
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
1280 KB
50 MB
SM Count
—
48
Tensor Cores
—
384
RT Cores
—
48
Theoretical Performance
Pixel Rate
36.71 GPixel/s
116.1 GPixel/s
Texture Rate
146.8 GTexel/s
928.5 GTexel/s
FP32 (float)
3.524 TFLOPS
29.71 TFLOPS
FP64 (double)
1175 GFLOPS
464.3 GFLOPS
FP16 (half)
—
29.71 TFLOPS
Graphics Processor
GPU Name
GK110
GB20B
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
7.08 billion
Unknown
Die Size
561 mm²
Unknown
Board Design
TDP
225W
140W
Suggested PSU
550 W
300 W
Outputs
No outputs
1x HDMI
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.5
12.1
Shader Model
5.1
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.