Radeon R7 M340 and GeForce GT 340 OEM - video card comparison

Radeon R7 M340

GeForce GT 340 OEM

Architecture

GCN (2011−2017)

Tesla 2.0 (2007−2013)

GPU code name

Meso Pro DDR3

GT215

Market segment

Laptop

Desktop

Release date

June 2015

February 2010

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x8

PCIe 2.0 x16

Supplementary power connectors

None

None

Boost clock speed

1021 MHz

-

Compute units

6

-

Core clock speed

1021 MHz

550 MHz

Floating-point performance

549.1 gflops

257.28 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

950 million

727 million

Pipelines / CUDA cores

320

96

Power consumption (TDP)

-

69 Watt

Texture fill rate

17.16

17.60

Memory type

DDR3

GDDR3

Maximum RAM amount

4 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1000 MHz

1700 MHz

Memory bandwidth

16 GB/s

27.2 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x VGA

Eyefinity

1

-

HDMI

-

+

DirectX

DirectX® 12

11.1 (10_1)

CUDA

-

1.2

Mantle

+

-

OpenCL

Not Listed

1.1

OpenGL

4.4

3.3

Shader Model

5.1

4.1

Vulkan

+

N/A

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

-

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-