NVIDIA Tesla K40st vs AMD Radeon Pro Duo Polaris
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Apr 2017
Generation
Tesla
Radeon Pro GCN
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
224.0GB/s
Render Config
Shading Units
2880
2304
TMUs
240
144
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
2 MB
Compute Units
-
36
Theoretical Performance
Pixel Rate
34.50 GPixel/s
39.78 GPixel/s
Texture Rate
138.0 GTexel/s
179.0 GTexel/s
FP32 (float)
3.312 TFLOPS
5.728 TFLOPS
FP64 (double)
1104 GFLOPS
358.0 GFLOPS
FP16 (half)
-
5.728 TFLOPS
Graphics Processor
GPU Name
GK110B
Ellesmere
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
7.08 billion
5.7 billion
Die Size
561 mm²
232 mm²
GPU Variant
-
Ellesmere Gemini GL
Board Design
TDP
245W
250W
Suggested PSU
550 W
600 W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
-
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.5
-
Shader Model
5.1
6.7