Mobility Radeon HD 3850 and GeForce 825M - video card comparison

Mobility Radeon HD 3850

GeForce 825M

Architecture

RV6xx (2007−2010)

Kepler (2012−2018)

GPU code name

M88

GK208

Market segment

Laptop

Release date

December 2007

January 2014

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

Boost clock speed

941 MHz

Core clock speed

580 MHz

850 MHz

Floating-point performance

371.2 gflops

722.7 gflops

Manufacturing process technology

55 nm

28 nm

Number of transistors

666 million

915 million

Pipelines / CUDA cores

320

384

Power consumption (TDP)

55 Watt

33 Watt

Texture fill rate

9.280

30.11

Memory type

GDDR3

DDR3

Maximum RAM amount

512 MB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

750 MHz

1800 MHz

Memory bandwidth

48 GB/s

14.4 GB/s

Shared memory

Display Connectors

No outputs

DirectX

10.1 (10_1)

12 (11_0)

CUDA

OpenCL

N/A

1.2

OpenGL

3.3

4.6

Shader Model

4.1

5.1

Vulkan

N/A

1.1.126

Optimus