Maxwell GPU Surface Book and Mobility Radeon HD 4850 - video card comparison

Maxwell GPU Surface Book

Mobility Radeon HD 4850

Architecture

Maxwell (2014−2018)

Terascale 1 (2008−2010)

GPU code name

Surface Book

M98

Market segment

Laptop

Release date

October 2015

January 2009

Interface

PCIe 2.0 x16

Boost clock speed

993 MHz

Core clock speed

954 MHz

500 MHz

Floating-point performance

800.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

956 million

Pipelines / CUDA cores

384

800

Texture fill rate

20.00

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

5012 MHz

850 MHz

Memory bandwidth

54.4 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (FL 11_0)

10.1 (10_1)

CUDA

OpenCL

1.1

OpenGL

3.3

Shader Model

4.1

Vulkan

N/A

Optimus