NVIDIA Tesla K8 vs NVIDIA Tesla T40 24 GB

VS

We compared two Professional market GPUs: 8GB VRAM Tesla K8 and 24GB VRAM Tesla T40 24 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K8 's Advantages

Lower TDP (100W vs 260W)

NVIDIA Tesla T40 24 GB 's Advantages

Boost Clock has increased by 92% (1560MHz vs 811MHz)

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (624.0GB/s vs 160.0GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K8

2.491 TFLOPS

Tesla T40 24 GB +477%

14.38 TFLOPS

Tesla K8

VS

Tesla T40 24 GB

Graphics Card

Sep 2014

Release Date

Unknown

Tesla

Generation

Tesla Turing

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

693 MHz

Base Clock

1305 MHz

811 MHz

Boost Clock

1560 MHz

1250 MHz

Memory Clock

1625 MHz

Memory

8GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

624.0GB/s

Render Config

-

SM Count

72

-

Compute Units

-

1536

Shading Units

4608

128

TMUs

288

32

ROPs

96

-

Tensor Cores

576

-

RT Cores

72

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

6 MB

Theoretical Performance

25.95 GPixel/s

Pixel Rate

149.8 GPixel/s

103.8 GTexel/s

Texture Rate

449.3 GTexel/s

-

FP16 (half)

28.75 TFLOPS

2.491 TFLOPS

FP32 (float)

14.38 TFLOPS

103.8 GFLOPS

FP64 (double)

449.3 GFLOPS

Graphics Processor

GK104

GPU Name

TU102

-

GPU Variant

-

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

3.54 billion

Transistors

18.6 billion

294 mm²

Die Size

754 mm²

Board Design

100W

TDP

260W

300 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

3.0

CUDA

7.5

5.1

Shader Model

6.7

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