GeForce 825M and Mobility Radeon HD 4670 - video card comparison

GeForce 825M

Mobility Radeon HD 4670

Architecture

Kepler (2012−2018)

Terascale 1 (2008−2010)

GPU code name

GK208

M96-XT

Market segment

Laptop

Release date

January 2014

January 2009

Interface

PCIe 3.0 x8

MXM-A (3.0)

Supplementary power connectors

None

Boost clock speed

941 MHz

Core clock speed

850 MHz

675 MHz

Floating-point performance

722.7 gflops

432.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

915 million

514 million

Pipelines / CUDA cores

384

320

Power consumption (TDP)

33 Watt

35 Watt

Texture fill rate

30.11

21.60

Memory type

DDR3

GDDR3, DDR2, DDR3

Maximum RAM amount

2 GB

512 MB

Memory bus width

64 Bit

128 Bit

Memory clock speed

1800 MHz

800 MHz

Memory bandwidth

14.4 GB/s

25.6 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_0)

10.1 (10_1)

CUDA

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.1

Vulkan

1.1.126

N/A

Optimus