NVIDIA Tesla K80 vs NVIDIA Tesla P40

Comparative analysis of NVIDIA Tesla K80 and NVIDIA Tesla P40 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

NVIDIA Tesla K80

NVIDIA Tesla P40

Differences

Reasons to consider the NVIDIA Tesla K80

466.5x more texture fill rate: 171.4 GTexel/s vs 367.4 GTexel / s

Texture fill rate	171.4 GTexel/s vs 367.4 GTexel / s

Reasons to consider the NVIDIA Tesla P40

Videocard is newer: launch date 1 year(s) 9 month(s) later
2.3x more core clock speed: 1303 MHz vs 562 MHz
Around 86% higher boost clock speed: 1531 MHz vs 824 MHz
Around 54% higher pipelines: 3840 vs 2496
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 16 nm vs 28 nm
Around 20% lower typical power consumption: 250 Watt vs 300 Watt
2x more maximum memory size: 24 GB vs 12 GB
8x more memory clock speed: 10008 MHz vs 1253 MHz, 5 Gbps effective
Around 16% better performance in PassMark - G2D Mark: 434 vs 374
2.1x better performance in PassMark - G3D Mark: 12499 vs 5852

Specifications (specs)
Launch date	13 September 2016 vs 17 Nov 2014
Core clock speed	1303 MHz vs 562 MHz
Boost clock speed	1531 MHz vs 824 MHz
Pipelines	3840 vs 2496
Manufacturing process technology	16 nm vs 28 nm
Thermal Design Power (TDP)	250 Watt vs 300 Watt
Maximum memory size	24 GB vs 12 GB
Memory clock speed	10008 MHz vs 1253 MHz, 5 Gbps effective
Benchmarks
PassMark - G2D Mark	434 vs 374
PassMark - G3D Mark	12499 vs 5852

Compare benchmarks

GPU 1: NVIDIA Tesla K80
GPU 2: NVIDIA Tesla P40

PassMark - G2D Mark

GPU 1

GPU 2

374

434

PassMark - G3D Mark

GPU 1

GPU 2

5852

12499

Name	NVIDIA Tesla K80	NVIDIA Tesla P40
PassMark - G2D Mark	374	434
PassMark - G3D Mark	5852	12499
Geekbench - OpenCL		54516
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		300.355
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		3559.383
CompuBench 1.5 Desktop - T-Rex (Frames/s)		19.757
CompuBench 1.5 Desktop - Video Composition (Frames/s)		204.32
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		1214.142
GFXBench 4.0 - Car Chase Offscreen (Frames)		9538
GFXBench 4.0 - Manhattan (Frames)		3699
GFXBench 4.0 - T-Rex (Frames)		3340
GFXBench 4.0 - Car Chase Offscreen (Fps)		9538
GFXBench 4.0 - Manhattan (Fps)		3699
GFXBench 4.0 - T-Rex (Fps)		3340

Compare specifications (specs)

	NVIDIA Tesla K80	NVIDIA Tesla P40
Essentials
Architecture	Kepler 2.0	Pascal
Code name	GK210	GP102
Launch date	17 Nov 2014	13 September 2016
Place in performance rating	256	246
Launch price (MSRP)		$5,699
Type		Workstation
Technical info
Boost clock speed	824 MHz	1531 MHz
Core clock speed	562 MHz	1303 MHz
Manufacturing process technology	28 nm	16 nm
Peak Double Precision (FP64) Performance	1,371 GFLOPS (1:3)
Peak Single Precision (FP32) Performance	4.113 TFLOPS
Pipelines	2496	3840
Pixel fill rate	42.85 GPixel/s
Texture fill rate	171.4 GTexel/s	367.4 GTexel / s
Thermal Design Power (TDP)	300 Watt	250 Watt
Transistor count	7100 million	11,800 million
Floating-point performance		11,758 gflops
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Form factor	Dual-slot
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm, 10.5 inches	267 mm
Recommended system power (PSU)	700 Watt
Supplementary power connectors	1x 8-pin	1x 6-pin + 1x 8-pin
API support
DirectX	12 (11_1)	12.0 (12_1)
OpenCL	3.0
OpenGL	4.6	4.6
Shader Model	6.5 (5.1)
Vulkan
Memory
Maximum RAM amount	12 GB	24 GB
Memory bandwidth	240.6 GB/s	480.4 GB / s
Memory bus width	384 bit	384 Bit
Memory clock speed	1253 MHz, 5 Gbps effective	10008 MHz
Memory type	GDDR5	GDDR5X