NVIDIA Tesla K20X vs NVIDIA B200 SXM6
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Nov 2024
Generation
Tesla
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Memory Clock
1300 MHz
2000 MHz
Base Clock
—
120 MHz
Boost Clock
—
1830 MHz
Memory
Memory Size
6GB
180GB
Memory Type
GDDR5
HBM3e
Memory Bus
384bit
8192bit
Bandwidth
249.6GB/s
8.19TB/s
Render Config
Shading Units
2688
18944
TMUs
224
592
ROPs
48
24
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
1536 KB
126 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
40.99 GPixel/s
43.92 GPixel/s
Texture Rate
164.0 GTexel/s
1083.4 GTexel/s
FP32 (float)
3.935 TFLOPS
69.34 TFLOPS
FP64 (double)
1312 GFLOPS
34.67 TFLOPS
FP16 (half)
—
1109.4 TFLOPS
Graphics Processor
GPU Name
GK110
GB100
Architecture
Kepler
Blackwell
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
208 billion
Die Size
561 mm²
1628 mm²
GPU Variant
—
GB100-886N-A1
Board Design
TDP
235W
1000W
Suggested PSU
550 W
1400 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
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
10.0
Shader Model
5.1
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.