NVIDIA Tesla T4 vs NVIDIA Tesla K20c

VS

NVIDIA Tesla T4 NVIDIA Tesla K20c

We compared two Professional market GPUs: 16GB VRAM Tesla T4 and 5GB VRAM Tesla K20c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla T4 's Advantages

Released 5 years and 10 months late

Boost Clock1590MHz

More VRAM (16GB vs 5GB)

Larger VRAM bandwidth (320.0GB/s vs 208.0GB/s)

64 additional rendering cores

Lower TDP (70W vs 225W)

Score

Benchmark

FP32 (float)

Tesla T4 +131%

8.141 TFLOPS

Tesla K20c

3.524 TFLOPS

OctaneBench

Tesla T4 +196%

163

Tesla K20c

55

Tesla T4

VS

Tesla K20c

Graphics Card

Sep 2018

Release Date

Nov 2012

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

585 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1250 MHz

Memory Clock

1300 MHz

Memory

16GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

320bit

320.0GB/s

Bandwidth

208.0GB/s

Render Config

40

SM Count

-

Compute Units

-

2560

Shading Units

2496

160

TMUs

208

64

ROPs

40

320

Tensor Cores

-

40

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1280 KB

Theoretical Performance

101.8 GPixel/s

Pixel Rate

36.71 GPixel/s

254.4 GTexel/s

Texture Rate

146.8 GTexel/s

65.13 TFLOPS

FP16 (half)

-

8.141 TFLOPS

FP32 (float)

3.524 TFLOPS

254.4 GFLOPS

FP64 (double)

1175 GFLOPS

Graphics Processor

TU104

GPU Name

GK110

TU104-895-A1

GPU Variant

GK110-885-KA-A1

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

7.08 billion

545 mm²

Die Size

561 mm²

Board Design

70W

TDP

225W

250 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.5

6.6

Shader Model

5.1

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