NVIDIA RTX PRO 4000 Blackwell vs NVIDIA Tesla K8
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Sep 2014
Generation
Blackwell PRO W
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1230 MHz
693 MHz
Boost Clock
2055 MHz
811 MHz
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
256bit
Bandwidth
672.0GB/s
160.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
1536
TMUs
280
128
ROPs
96
32
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
48 MB
512 KB
Theoretical Performance
Pixel Rate
197.3 GPixel/s
25.95 GPixel/s
Texture Rate
575.4 GTexel/s
103.8 GTexel/s
FP16 (half)
36.83 TFLOPS
-
FP32 (float)
36.83 TFLOPS
2.491 TFLOPS
FP64 (double)
575.4 GFLOPS
103.8 GFLOPS
Graphics Processor
GPU Name
GB203
GK104
Architecture
Blackwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
3.54 billion
Die Size
378 mm²
294 mm²
Board Design
TDP
140W
100W
Suggested PSU
300 W
300 W
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.1
CUDA
12.0
3.0
Shader Model
6.8
5.1