NVIDIA Tesla K40d vs NVIDIA Tesla T4

VS

NVIDIA Tesla K40d

NVIDIA Tesla T4

We compared two Professional market GPUs: 12GB VRAM Tesla K40d and 16GB VRAM Tesla T4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40d 's Advantages

320 additional rendering cores

NVIDIA Tesla T4 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 82% (1590MHz vs 876MHz)

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (320.0GB/s vs 288.4GB/s)

Lower TDP (70W vs 245W)

Score

Benchmark

FP32 (float)

Tesla K40d

5.046 TFLOPS

Tesla T4 +61%

8.141 TFLOPS

Tesla K40d

VS

Tesla T4

Graphics Card

Nov 2013

Release Date

Sep 2018

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

585 MHz

876 MHz

Boost Clock

1590 MHz

1502 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

40

2880

Shading Units

2560

240

TMUs

160

48

ROPs

64

-

Tensor Cores

320

-

RT Cores

40

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

4 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

101.8 GPixel/s

210.2 GTexel/s

Texture Rate

254.4 GTexel/s

-

FP16 (half)

65.13 TFLOPS

5.046 TFLOPS

FP32 (float)

8.141 TFLOPS

1.682 TFLOPS

FP64 (double)

254.4 GFLOPS

Board Design

245W

TDP

70W

550 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK110B

GPU Name

TU104

-

GPU Variant

TU104-895-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

7.08 billion

Transistors

13.6 billion

561 mm²

Die Size

545 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

7.5

5.1

Shader Model

6.6

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