NVIDIA Tesla K40d vs AMD Radeon Pro V620
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Nov 2021
Generation
Tesla Kepler
Radeon Pro
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
745 MHz
1825 MHz
Boost Clock
876 MHz
2200 MHz
Memory Clock
1502 MHz
2000 MHz
Memory
Memory Size
12GB
32GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
512.0GB/s
Render Config
Shading Units
2880
4608
TMUs
240
288
ROPs
48
128
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
1536 KB
4 MB
Compute Units
-
72
RT Cores
-
72
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
52.56 GPixel/s
281.6 GPixel/s
Texture Rate
210.2 GTexel/s
633.6 GTexel/s
FP32 (float)
5.046 TFLOPS
20.28 TFLOPS
FP64 (double)
1.682 TFLOPS
1267 GFLOPS
FP16 (half)
-
40.55 TFLOPS
Graphics Processor
GPU Name
GK110B
Navi 21
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
7.08 billion
26.8 billion
Die Size
561 mm²
520 mm²
GPU Variant
-
Navi 21 XT(215-121000177)
Board Design
TDP
245W
300W
Suggested PSU
550 W
700 W
Outputs
No outputs
No outputs
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.2.175
1.3
CUDA
3.5
-
Shader Model
6.5 (5.1)
6.5