Radeon R7 240 and GeForce 8800 GTS 640 - video card comparison

Radeon R7 240

GeForce 8800 GTS 640

Architecture

GCN 1.0 (2012−2020)

Tesla (2006−2010)

GPU code name

Oland

G80

Market segment

Desktop

Desktop

Release date

October 2013

November 2006

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x8

PCIe 1.0 x16

Supplementary power connectors

N/A

1x 6-pin

Boost clock speed

780 MHz

-

Core clock speed

-

513 MHz

Floating-point performance

499.2 gflops

228.1 gflops

Manufacturing process technology

28 nm

90 nm

Number of transistors

950 million

681 million

Pipelines / CUDA cores

320

96

Power consumption (TDP)

50 Watt

143 Watt

Texture fill rate

14.00

24.62

Memory type

GDDR5

GDDR3

Maximum RAM amount

2 GB

640 MB

Memory bus width

128 Bit

320 Bit

Memory clock speed

1150 MHz

1584 MHz

Memory bandwidth

72 GB/s

63.36 GB/s

Display Connectors

1x DVI, 1x HDMI, 1x VGA

2x DVI, 1x S-Video

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

11.1 (10_0)

CUDA

-

+

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.0

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-