NVIDIA GeForce GTX 950 vs NVIDIA Tesla K20X
GPU Specs Compare
Graphics Card
Release Date
Aug 2015
Nov 2012
Generation
GeForce 900
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1024 MHz
-
Boost Clock
1188 MHz
-
Memory Clock
1653 MHz
1300 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
105.8GB/s
249.6GB/s
Render Config
Shading Units
768
2688
TMUs
48
224
ROPs
32
48
L1 Cache
48 KB (per SMM)
16 KB (per SMX)
L2 Cache
1024 KB
1536 KB
Theoretical Performance
Pixel Rate
38.02 GPixel/s
40.99 GPixel/s
Texture Rate
57.02 GTexel/s
164.0 GTexel/s
FP32 (float)
1.825 TFLOPS
3.935 TFLOPS
FP64 (double)
57.02 GFLOPS
1312 GFLOPS
Graphics Processor
GPU Name
GM206
GK110
GPU Variant
GM206-250-A1
-
Architecture
Maxwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.94 billion
7.08 billion
Die Size
228 mm²
561 mm²
Board Design
TDP
90W
235W
Suggested PSU
250 W
550 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
5.2
3.5
Shader Model
6.4
5.1
📊 Benchmark
3DMark Time Spy
1,903
-
3DMark Time Spy Extreme
396
-