NVIDIA Tesla K20s vs NVIDIA Tesla M40 24 GB
GPU Specs Compare
Graphics Card
Release Date
Feb 2013
Nov 2015
Generation
Tesla
Tesla Maxwell
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1502 MHz
Base Clock
-
948 MHz
Boost Clock
-
1112 MHz
Memory
Memory Size
5GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
384bit
Bandwidth
208.0GB/s
288.4GB/s
Render Config
Shading Units
2496
3072
TMUs
208
192
ROPs
40
96
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
1280 KB
3 MB
Theoretical Performance
Pixel Rate
29.90 GPixel/s
106.8 GPixel/s
Texture Rate
119.6 GTexel/s
213.5 GTexel/s
FP32 (float)
2.870 TFLOPS
6.832 TFLOPS
FP64 (double)
956.8 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
GK110
GM200
Architecture
Kepler
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
8 billion
Die Size
561 mm²
601 mm²
GPU Variant
-
GM200-895-A1
Board Design
TDP
225W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
No outputs
Power Connectors
-
8-pin EPS
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
5.2
Shader Model
5.1
6.7
📊 Benchmark
3DMark Time Spy
-
5,066
3DMark Time Spy Extreme
-
2,425