Tesla K20s vs Data Center GPU Flex 170
We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 16GB VRAM Data Center GPU Flex 170 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Data Center GPU Flex 170 's Advantages
Released 9 years and 6 months late
Boost Clock2050MHz
More VRAM (16GB vs 5GB)
Larger VRAM bandwidth (512.0GB/s vs 208.0GB/s)
1600 additional rendering cores
Lower TDP (150W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20s
2870
Data Center GPU Flex 170
+485%
16790
Graphics Card
Feb 2013
Release Date
Aug 2022
Tesla
Generation
Data Center GPU
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1950 MHz
-
Boost Clock
2050 MHz
1300 MHz
Memory Clock
2000 MHz
Memory
5GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
320bit
Memory Bus
256bit
208.0GB/s
Bandwidth
512.0GB/s
Render Config
2496
Shading Units
4096
208
TMUs
256
40
ROPs
128
-
RT Cores
32
16 KB (per SMX)
L1 Cache
-
1280 KB
L2 Cache
16 MB
Theoretical Performance
29.90 GPixel/s
Pixel Rate
262.4 GPixel/s
119.6 GTexel/s
Texture Rate
524.8 GTexel/s
-
FP16 (half)
33.59 TFLOPS
2.870 TFLOPS
FP32 (float)
16.79 TFLOPS
956.8 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
150W
550 W
Suggested PSU
450 W
No outputs
Outputs
1x HDMI 2.1
3x DisplayPort 2.0
-
Power Connectors
1x 8-pin
Graphics Processor
GK110
GPU Name
DG2-512
-
GPU Variant
ACM-G10
Kepler
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
7.08 billion
Transistors
21.7 billion
561 mm²
Die Size
406 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
-
5.1
Shader Model
6.6
