目前，我正在研究GPU编程，使用CUDA和OpenCL进行编程，所用的显卡分别为NVIDIA Tesla K40C和AMD Firepro W8100。
通过查询相关的资料，我整理了一下这两款显卡的性能参数，并进行了对比。表格如下：
显卡名称
AMD Firepro W8100
NVIDIA Tesla K40C
显卡制造商
AMD
NVIDIA
Graphics Processor
GPU Name:
Hawaii GL40
GK110B
Architecture:
GCN 2.0
Kepler
Process Size:
28 nm
28 nm
Transistors:
6,200 million
7,080 million
Die Size:
438 mm²
561 mm²
Graphics Card
Released:
Jun 23rd, 2014
Oct 8th, 2013
Production Status:
End-of-life
End-of-life
Bus Interface:
PCIe 3.0 x16
PCIe 3.0 x16
Launch Price:
#
7,699 USD
Memory
Memory Size:
8192 MB
12288 MB
Memory Type:
GDDR5
GDDR5
Memory Bus:
512 bit
384 bit
Bandwidth:
320.0 GB/s
288.4 GB/s
Clock Speeds
GPU Clock:
824 MHz
745 MHz
Memory Clock:
1250 MHz 5000 MHz effective
1502 MHz 6008 MHz effective
Render Config
Shading Units:
2560
2880
TMUs:
160
240
ROPs:
64
48
Compute Units:
40
15
Pixel Rate:
52.74 GPixel/s
44.70 GPixel/s
Texture Rate:
131.8 GTexel/s
178.8 GTexel/s
Floating-point performance:
4,219 GFLOPS
4,291 GFLOPS
Board Design
Slot Width:
Dual-slot
Dual-slot
Length:
11 inches 279 mm
10.5 inches 267 mm
TDP:
220 W
245 W
Outputs:
4x DisplayPort 1x SDI
No outputs
Power Connectors:
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX:
12.0
12.0
OpenGL:
4.6
4.6
OpenCL:
2.0
1.2
Shader Model:
5.0
5.0
CUDA:
×
3.5
另外，这两款显卡均支持多GPU编程技术。
