Intel Data Center GPU Flex 140 vs NVIDIA Tesla K40st

VS

Intel Data Center GPU Flex 140

NVIDIA Tesla K40st

We compared two Professional market GPUs: 6GB VRAM Data Center GPU Flex 140 and 12GB VRAM Tesla K40st to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Data Center GPU Flex 140 's Advantages

Released 8 years and 9 months late

Boost Clock1950MHz

Lower TDP (75W vs 245W)

NVIDIA Tesla K40st 's Advantages

More VRAM (12GB vs 6GB)

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

1856 additional rendering cores

Score

Benchmark

FP32 (float)

Data Center GPU Flex 140 +20%

3.994 TFLOPS

Tesla K40st

3.312 TFLOPS

Data Center GPU Flex 140

VS

Tesla K40st

Graphics Card

Aug 2022

Release Date

Nov 2013

Data Center GPU

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1600 MHz

Base Clock

-

1950 MHz

Boost Clock

-

1937 MHz

Memory Clock

1502 MHz

Memory

6GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5

96bit

Memory Bus

384bit

186.0GB/s

Bandwidth

288.4GB/s

Render Config

-

1024

Shading Units

2880

64

TMUs

240

32

ROPs

48

-

8

RT Cores

-

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1536 KB

-

Theoretical Performance

62.40 GPixel/s

Pixel Rate

34.50 GPixel/s

124.8 GTexel/s

Texture Rate

138.0 GTexel/s

7.987 TFLOPS

FP16 (half)

-

3.994 TFLOPS

FP32 (float)

3.312 TFLOPS

-

FP64 (double)

1104 GFLOPS

Board Design

75W

TDP

245W

250 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 2.0

Outputs

No outputs

1x 8-pin

Power Connectors

-

Graphics Processor

DG2-128

GPU Name

GK110B

ACM-G11

GPU Variant

-

Generation 12.7

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

7.2 billion

Transistors

7.08 billion

157 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.5

6.6

Shader Model

5.1

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