NVIDIA Tesla K40st vs NVIDIA Tesla K10
We compared two Professional market GPUs: 12GB VRAM Tesla K40st and 4GB VRAM Tesla K10 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K40st 's Advantages
Released 1 years and 6 months late
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (288.4GB/s vs 160.0GB/s)
1344 additional rendering cores
NVIDIA Tesla K10 's Advantages
Lower TDP (225W vs 245W)
Score
Benchmark
FP32 (float)
Tesla K40st
+44%
3.312 TFLOPS
Tesla K10
2.289 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2012
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1502 MHz
Memory Clock
1250 MHz
Memory
12GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.4GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
-
-
-
2880
Shading Units
1536
240
TMUs
128
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
1536 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
34.50 GPixel/s
Pixel Rate
23.84 GPixel/s
138.0 GTexel/s
Texture Rate
95.36 GTexel/s
-
-
-
3.312 TFLOPS
FP32 (float)
2.289 TFLOPS
1104 GFLOPS
FP64 (double)
95.36 GFLOPS
Board Design
245W
TDP
225W
550 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
-
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GK110B
GPU Name
GK104
-
-
-
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
3.54 billion
561 mm²
Die Size
294 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1
