NVIDIA Tesla K20s vs NVIDIA GeForce GTX TITAN Z
GPU · Specs Compare
Graphics Card
Release Date
Feb 2013
May 2014
Generation
Tesla
GeForce 700
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
1750 MHz
Base Clock
—
705 MHz
Boost Clock
—
876 MHz
Memory
Memory Size
5GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
384bit
Bandwidth
208.0GB/s
336.0GB/s
Render Config
Shading Units
2496
2880
TMUs
208
240
ROPs
40
48
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1280 KB
1536 KB
Theoretical Performance
Pixel Rate
29.90 GPixel/s
52.56 GPixel/s
Texture Rate
119.6 GTexel/s
210.2 GTexel/s
FP32 (float)
2.870 TFLOPS
5.046 TFLOPS
FP64 (double)
956.8 GFLOPS
1.682 TFLOPS
Graphics Processor
GPU Name
GK110
GK110B
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
7.08 billion
Die Size
561 mm²
561 mm²
GPU Variant
—
GK110-350-B1
Board Design
TDP
225W
375W
Suggested PSU
550 W
750 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
—
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.2.175
CUDA
3.5
3.5
Shader Model
5.1
6.5 (5.1)
▲ Specs Compare
Data sourced from official specifications and benchmark tests.