GeForce GTX 285M and Radeon HD 6850M - video card comparison

GeForce GTX 285M

Radeon HD 6850M

Architecture

G9x (2007−2010)

Terascale 2 (2009−2015)

GPU code name

N10E-GTX1

Granville Pro/LP

Market segment

Laptop

Release date

March 2009

January 2011

Bus support

PCI-E 2.0

Interface

MXM-B (3.0)

PCIe 2.0 x16

SLI options

2-way

MXM Type

MXM 3.0 Type-B

Core clock speed

576 MHz

575 / 675 MHz

CUDA cores

128

Floating-point performance

384.0 gflops

1,080.0 gflops

Gigaflops

576

Manufacturing process technology

55 nm

40 nm

Number of transistors

754 million

1,040 million

Pipelines / CUDA cores

128

800

Power consumption (TDP)

75 Watt

50 Watt

Texture fill rate

38 billion/sec

27.00

Memory type

GDDR3

DDR3, GDDR5

Maximum RAM amount

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

Up to 1020 MHz

800 MHz

Memory bandwidth

61 GB/s

25.6 GB/s

Shared memory

Display Connectors

Single Link DVIVGALVDSHDMIDual Link DVIDisplayPort

No outputs

HDMI

Maximum VGA resolution

2048x1536

Audio input for HDMI

S/PDIF

DirectX

11.1 (10_0)

11.2 (11_0)

CUDA

OpenCL

1.1

1.2

OpenGL

2.1

4.4

Shader Model

4.0

5.0

Vulkan

N/A

Power management

8.0