NVIDIA Tesla K80 vs NVIDIA Tesla K40m

VS

We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 12GB VRAM Tesla K40m to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K80 's Advantages

Released 1 years late

NVIDIA Tesla K40m 's Advantages

Boost Clock has increased by 6% (876MHz vs 824MHz)

Larger VRAM bandwidth (288.4GB/s vs 240.6GB/s)

384 additional rendering cores

Lower TDP (245W vs 300W)

Score

Benchmark

FP32 (float)

Tesla K80

4.113 TFLOPS

Tesla K40m +22%

5.046 TFLOPS

OctaneBench

Tesla K80

62

Tesla K40m +9%

68

Tesla K80

VS

Tesla K40m

Graphics Card

Nov 2014

Release Date

Nov 2013

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

562 MHz

Base Clock

745 MHz

824 MHz

Boost Clock

876 MHz

1253 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.6GB/s

Bandwidth

288.4GB/s

Render Config

-

SM Count

-

Compute Units

-

2496

Shading Units

2880

208

TMUs

240

48

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

1536 KB

Theoretical Performance

42.85 GPixel/s

Pixel Rate

52.56 GPixel/s

171.4 GTexel/s

Texture Rate

210.2 GTexel/s

-

FP16 (half)

-

4.113 TFLOPS

FP32 (float)

5.046 TFLOPS

1371 GFLOPS

FP64 (double)

1.682 TFLOPS

Graphics Processor

GK210

GPU Name

GK110B

GK210-885-A1

GPU Variant

-

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.1 billion

Transistors

7.08 billion

561 mm²

Die Size

561 mm²

Board Design

300W

TDP

245W

700 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.7

CUDA

3.5

5.1

Shader Model

5.1

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