NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA Tesla K20m
GPU Specs Compare
Graphics Card
Release Date
Sep 2013
Jan 2013
Generation
GeForce 700
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
863 MHz
-
Boost Clock
902 MHz
-
Memory Clock
1502 MHz
1300 MHz
Memory
Memory Size
3GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
320bit
Bandwidth
288.4GB/s
208.0GB/s
Render Config
Shading Units
2304
2496
TMUs
192
208
ROPs
48
40
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1280 KB
Theoretical Performance
Pixel Rate
43.30 GPixel/s
36.71 GPixel/s
Texture Rate
173.2 GTexel/s
146.8 GTexel/s
FP32 (float)
4.156 TFLOPS
3.524 TFLOPS
FP64 (double)
173.2 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
GK110B
GK110
GPU Variant
GK110-300-B1
-
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
Board Design
TDP
250W
225W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.5
3.5
Shader Model
5.1
5.1