FirePro D500 and GeForce 840M - video card comparison

FirePro D500

GeForce 840M

Architecture

GCN 1.0 (2012−2020)

Maxwell (2014−2018)

GPU code name

Tahiti

N15S-GT

Market segment

Workstation

Laptop

Release date

January 2014

March 2014

Bus support

-

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Boost clock speed

-

1124 MHz

Core clock speed

725 MHz

1029 MHz

Floating-point performance

2,227 gflops

863.2 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

4,313 million

-

Pipelines / CUDA cores

1536

384

Power consumption (TDP)

274 Watt

33 Watt

Texture fill rate

69.60

17.98

Memory type

GDDR5

DDR3

Maximum RAM amount

3 GB

4 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

5080 MHz

2000 MHz

Memory bandwidth

243.8 GB/s

16.02 GB/s

Shared memory

-

-

Display Connectors

6x mini-DisplayPort, 1x SDI

No outputs

DirectX

12 (11_1)

12 (11_0)

CUDA

-

+

OpenCL

1.2

1.2

OpenGL

4.6

4.5

Shader Model

5.1

5.1

Vulkan

1.2.131

1.1.126

GameWorks

-

+

GPU Boost

-

2.0

Optimus

-

+