NVIDIA Tesla K80 vs NVIDIA Tesla K8

VS

NVIDIA Tesla K80 NVIDIA Tesla K8

We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 8GB VRAM Tesla K8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K80 's Advantages

Boost Clock has increased by 2% (824MHz vs 811MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (240.6GB/s vs 160.0GB/s)

960 additional rendering cores

NVIDIA Tesla K8 's Advantages

Lower TDP (100W vs 300W)

Score

Benchmark

FP32 (float)

Tesla K80 +65%

4.113 TFLOPS

Tesla K8

2.491 TFLOPS

Tesla K80

VS

Tesla K8

Graphics Card

Nov 2014

Release Date

Sep 2014

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

562 MHz

Base Clock

693 MHz

824 MHz

Boost Clock

811 MHz

1253 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.6GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

Compute Units

-

2496

Shading Units

1536

208

TMUs

128

48

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

Theoretical Performance

42.85 GPixel/s

Pixel Rate

25.95 GPixel/s

171.4 GTexel/s

Texture Rate

103.8 GTexel/s

-

FP16 (half)

-

4.113 TFLOPS

FP32 (float)

2.491 TFLOPS

1371 GFLOPS

FP64 (double)

103.8 GFLOPS

Graphics Processor

GK210

GPU Name

GK104

GK210-885-A1

GPU Variant

-

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.1 billion

Transistors

3.54 billion

561 mm²

Die Size

294 mm²

Board Design

300W

TDP

100W

700 W

Suggested PSU

300 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.7

CUDA

3.0

5.1

Shader Model

5.1

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