NVIDIA Tesla K40d vs AMD Radeon R9 Nano
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Aug 2015
Generation
Tesla Kepler
Pirate Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
745 MHz
-
Boost Clock
876 MHz
-
Memory Clock
1502 MHz
500 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
384bit
4096bit
Bandwidth
288.4GB/s
512.0GB/s
Render Config
Shading Units
2880
4096
TMUs
240
256
ROPs
48
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
2 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
52.56 GPixel/s
64.00 GPixel/s
Texture Rate
210.2 GTexel/s
256.0 GTexel/s
FP32 (float)
5.046 TFLOPS
8.192 TFLOPS
FP64 (double)
1.682 TFLOPS
512.0 GFLOPS
FP16 (half)
-
8.192 TFLOPS
Graphics Processor
GPU Name
GK110B
Fiji
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
8.9 billion
Die Size
561 mm²
596 mm²
GPU Variant
-
Fiji XT CA(215-0862120)
Board Design
TDP
245W
175W
Suggested PSU
550 W
450 W
Outputs
No outputs
1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors
-
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.2.175
1.2
CUDA
3.5
-
Shader Model
6.5 (5.1)
6.3