NVIDIA Tesla K20m vs NVIDIA GeForce GTX 680M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Jun 2012
Generation
Tesla
GeForce 600M
Type
Professional
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1300 MHz
900 MHz
Base Clock
—
719 MHz
Boost Clock
—
758 MHz
Memory
Memory Size
5GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
115.2GB/s
Render Config
Shading Units
2496
1344
TMUs
208
112
ROPs
40
32
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1280 KB
512 KB
Theoretical Performance
Pixel Rate
36.71 GPixel/s
21.22 GPixel/s
Texture Rate
146.8 GTexel/s
84.90 GTexel/s
FP32 (float)
3.524 TFLOPS
2.038 TFLOPS
FP64 (double)
1175 GFLOPS
84.90 GFLOPS
Graphics Processor
GPU Name
GK110
GK104
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
3.54 billion
Die Size
561 mm²
294 mm²
GPU Variant
—
N13E-GTX-A2
Board Design
TDP
225W
100W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.5
3.0
Shader Model
5.1
5.1
Benchmark
Blender
—
189
▲ Specs Compare
Data sourced from official specifications and benchmark tests.