Radeon HD 7870M and GeForce GTX 280M SLI - video card comparison

Radeon HD 7870M

GeForce GTX 280M SLI

Architecture

GCN (2011−2017)

G9x (2007−2010)

GPU code name

Heathrow XT

N10E-GTX

Market segment

Laptop

Laptop

Release date

April 2012

March 2009

Interface

PCIe 3.0 x16

-

Core clock speed

800 MHz

585 MHz

Floating-point performance

1,024 gflops

-

Manufacturing process technology

28 nm

55 nm

Number of transistors

1,500 million

1508 Million

Pipelines / CUDA cores

640

256

Power consumption (TDP)

45 Watt

150 Watt

Texture fill rate

32.00

-

Memory type

GDDR5

GDDR3

Maximum RAM amount

2 GB

2 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

4000 MHz

950 MHz

Memory bandwidth

64 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

-

DirectX

12 (11_1)

10

CUDA

-

+

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

Vulkan

1.2.131

-