NVIDIA Tesla K40c vs NVIDIA Tesla P4

VS

NVIDIA Tesla K40c

NVIDIA Tesla P4

We compared two Professional market GPUs: 12GB VRAM Tesla K40c and 8GB VRAM Tesla P4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40c 's Advantages

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)

320 additional rendering cores

NVIDIA Tesla P4 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 27% (1114MHz vs 876MHz)

Lower TDP (75W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40c

5.046 TFLOPS

Tesla P4 +13%

5.704 TFLOPS

Tesla K40c

VS

Tesla P4

Graphics Card

Oct 2013

Release Date

Sep 2016

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

886 MHz

876 MHz

Boost Clock

1114 MHz

1502 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

20

2880

Shading Units

2560

240

TMUs

160

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

1536 KB

L2 Cache

2 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

71.30 GPixel/s

210.2 GTexel/s

Texture Rate

178.2 GTexel/s

-

FP16 (half)

89.12 GFLOPS

5.046 TFLOPS

FP32 (float)

5.704 TFLOPS

1.682 TFLOPS

FP64 (double)

178.2 GFLOPS

Board Design

245W

TDP

75W

550 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK180

GPU Name

GP104

GK180-890-A1

GPU Variant

GP104-895-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

7.08 billion

Transistors

7.2 billion

561 mm²

Die Size

314 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

6.1

5.1

Shader Model

6.4

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