NVIDIA GRID K2 vs NVIDIA Tesla K40st
GPU Specs Compare
Graphics Card
Release Date
May 2013
Nov 2013
Generation
GRID
Tesla
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1502 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
160.0GB/s
288.4GB/s
Render Config
Shading Units
1536
2880
TMUs
128
240
ROPs
32
48
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
23.84 GPixel/s
34.50 GPixel/s
Texture Rate
95.36 GTexel/s
138.0 GTexel/s
FP32 (float)
2.289 TFLOPS
3.312 TFLOPS
FP64 (double)
95.36 GFLOPS
1104 GFLOPS
Graphics Processor
GPU Name
GK104
GK110B
GPU Variant
GK104-895-A2
-
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
7.08 billion
Die Size
294 mm²
561 mm²
Board Design
TDP
225W
245W
Suggested PSU
550 W
550 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.1
CUDA
3.0
3.5
Shader Model
6.5 (5.1)
5.1