Radeon HD 4850 and G94 - video card comparison

Radeon HD 4850

G94

Architecture

Terascale 1 (2008−2010)

Tesla (2006−2010)

GPU code name

RV770

G94

Market segment

Desktop

Desktop

Release date

June 2008

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

1x 6-pin

-

Core clock speed

625 MHz

-

Floating-point performance

1,000.0 gflops

-

Manufacturing process technology

55 nm

65 nm

Number of transistors

956 million

505 million

Pipelines / CUDA cores

800

64

Power consumption (TDP)

110 Watt

-

Texture fill rate

25.00

-

Memory type

GDDR3

-

Maximum RAM amount

512 MB

-

Memory bus width

256 Bit

-

Memory clock speed

993 MHz

-

Memory bandwidth

63.55 GB/s

-

Display Connectors

2x DVI, 1x S-Video

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DirectX

10.1 (10_1)

11.1 (10_0)

CUDA

-

1.1

OpenCL

1.1

1.1

OpenGL

3.3

3.3

Shader Model

4.1

4.0

Vulkan

N/A

N/A

PureVideo HD

-

VP2