NVIDIA Tesla K20Xm vs NVIDIA TITAN X Pascal
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Aug 2016
Generation
Tesla
GeForce 10
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1251 MHz
Base Clock
—
1417 MHz
Boost Clock
—
1531 MHz
Memory
Memory Size
6GB
12GB
Memory Type
GDDR5
GDDR5X
Memory Bus
384bit
384bit
Bandwidth
249.6GB/s
480.4GB/s
Render Config
Shading Units
2688
3584
TMUs
224
224
ROPs
48
96
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
1536 KB
3 MB
SM Count
—
28
Theoretical Performance
Pixel Rate
40.99 GPixel/s
147.0 GPixel/s
Texture Rate
164.0 GTexel/s
342.9 GTexel/s
FP32 (float)
3.935 TFLOPS
10.97 TFLOPS
FP64 (double)
1312 GFLOPS
342.9 GFLOPS
FP16 (half)
—
171.5 GFLOPS
Graphics Processor
GPU Name
GK110
GP102
Architecture
Kepler
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
7.08 billion
11.8 billion
Die Size
561 mm²
471 mm²
GPU Variant
—
GP102-400-A1
Board Design
TDP
235W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
—
1x 6-pin + 1x 8-pin
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
6.1
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
—
9,844
3DMark Time Spy Extreme
—
4,812
▲ Specs Compare
Data sourced from official specifications and benchmark tests.