Radeon HD 4770 and GeForce 945A - video card comparison

Passmark - benchmark score Radeon HD 4770 vs GeForce 945A

Radeon HD 4770

935

GeForce 945A

1908

Radeon HD 4770

GeForce 945A

Architecture

TeraScale (2005−2013)

Maxwell (2014−2018)

GPU code name

RV740

GM108

Market segment

Desktop

Release date

April 2009

March 2015

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

1x 6-pin

Boost clock speed

1189 MHz

Core clock speed

750 MHz

1072 MHz

Floating-point performance

960.0 gflops

903.2 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

826 million

Pipelines / CUDA cores

640

384

Power consumption (TDP)

80 Watt

33 Watt

Texture fill rate

24.00

28.54

Memory type

GDDR5

Maximum RAM amount

512 MB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

3200 MHz

5012 MHz

Memory bandwidth

51.2 GB/s

40.1 GB/s

Display Connectors

2x DVI, 1x S-Video

No outputs

DirectX

10.1 (10_1)

12 (11_0)

CUDA

5.0

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.1

5.1

Vulkan

N/A

1.1.126