NVIDIA Tesla K40c vs Intel Data Center GPU Flex 140

VS

NVIDIA Tesla K40c

Intel Data Center GPU Flex 140

We compared two Professional market GPUs: 12GB VRAM Tesla K40c and 6GB VRAM Data Center GPU Flex 140 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 6GB)

Larger VRAM bandwidth (288.4GB/s vs 186.0GB/s)

1856 additional rendering cores

Intel Data Center GPU Flex 140 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 123% (1950MHz vs 876MHz)

Lower TDP (75W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40c +26%

5.046 TFLOPS

Data Center GPU Flex 140

3.994 TFLOPS

Tesla K40c

VS

Data Center GPU Flex 140

Graphics Card

Oct 2013

Release Date

Aug 2022

Tesla

Generation

Data Center GPU

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

745 MHz

Base Clock

1600 MHz

876 MHz

Boost Clock

1950 MHz

1502 MHz

Memory Clock

1937 MHz

Memory

12GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

96bit

288.4GB/s

Bandwidth

186.0GB/s

Render Config

-

2880

Shading Units

1024

240

TMUs

64

48

ROPs

32

-

RT Cores

8

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

4 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

62.40 GPixel/s

210.2 GTexel/s

Texture Rate

124.8 GTexel/s

-

FP16 (half)

7.987 TFLOPS

5.046 TFLOPS

FP32 (float)

3.994 TFLOPS

1.682 TFLOPS

FP64 (double)

-

Board Design

245W

TDP

75W

550 W

Suggested PSU

250 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GK180

GPU Name

DG2-128

GK180-890-A1

GPU Variant

ACM-G11

Kepler

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

7.08 billion

Transistors

7.2 billion

561 mm²

Die Size

157 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.6

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