Radeon R7 350 and GeForce 840M - video card comparison

Radeon R7 350

GeForce 840M

Architecture

GCN 1.0 (2012−2020)

Maxwell (2014−2018)

GPU code name

Cape Verde

N15S-GT

Market segment

Desktop

Laptop

Release date

July 2016

March 2014

Bus support

-

PCI Express 2.0, PCI Express 3.0

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

-

Boost clock speed

-

1124 MHz

Core clock speed

800 MHz

1029 MHz

Floating-point performance

819.2 gflops

863.2 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

1,500 million

-

Pipelines / CUDA cores

512

384

Power consumption (TDP)

55 Watt

33 Watt

Texture fill rate

25.60

17.98

Memory type

GDDR5

DDR3

Maximum RAM amount

2 GB

4 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

4500 MHz

2000 MHz

Memory bandwidth

72 GB/s

16.02 GB/s

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

+

-

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

-

+