Tesla K80 and GeForce 840M - video card comparison

Passmark - benchmark score Tesla K80 vs GeForce 840M

Tesla K80

6028

GeForce 840M

1121

Tesla K80

GeForce 840M

Architecture

Kepler 2.0 (2013−2015)

Maxwell (2014−2018)

GPU code name

GK210

N15S-GT

Market segment

Workstation

Laptop

Release date

November 2014

March 2014

Bus support

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

1x 8-pin

Boost clock speed

824 MHz

1124 MHz

Core clock speed

562 MHz

1029 MHz

Floating-point performance

863.2 gflops

Manufacturing process technology

28 nm

Number of transistors

7,100 million

Pipelines / CUDA cores

2496

384

Power consumption (TDP)

300 Watt

33 Watt

Texture fill rate

171.4

17.98

Memory type

GDDR5

DDR3

Maximum RAM amount

12 GB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

5012 MHz

2000 MHz

Memory bandwidth

240.6 GB/s

16.02 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_1)

12 (11_0)

CUDA

3.7

OpenCL

1.2

OpenGL

4.6

4.5

Shader Model

5.1

Vulkan

1.1.126

GameWorks

GPU Boost

2.0

Optimus