NVIDIA Tesla K20c vs NVIDIA RTX PRO 2000 Blackwell
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Aug 2025
Generation
Tesla
Blackwell PRO W
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x8
Clock Speeds
Memory Clock
1300 MHz
1125 MHz
Base Clock
-
982 MHz
Boost Clock
-
1957 MHz
Memory
Memory Size
5GB
16GB
Memory Type
GDDR5
GDDR7
Memory Bus
320bit
128bit
Bandwidth
208.0GB/s
288.0GB/s
Render Config
Shading Units
2496
4352
TMUs
208
136
ROPs
40
64
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1280 KB
32 MB
SM Count
-
34
Tensor Cores
-
136
RT Cores
-
34
Theoretical Performance
Pixel Rate
36.71 GPixel/s
125.2 GPixel/s
Texture Rate
146.8 GTexel/s
266.2 GTexel/s
FP32 (float)
3.524 TFLOPS
17.03 TFLOPS
FP64 (double)
1175 GFLOPS
266.2 GFLOPS
FP16 (half)
-
17.03 TFLOPS
Graphics Processor
GPU Name
GK110
GB206
GPU Variant
GK110-885-KA-A1
-
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
7.08 billion
21.9 billion
Die Size
561 mm²
181 mm²
Board Design
TDP
225W
70W
Suggested PSU
550 W
250 W
Outputs
No outputs
4x mini-DisplayPort 2.1b
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.4
CUDA
3.5
12.0
Shader Model
5.1
6.8
📊 Benchmark
OctaneBench
55
-