Radeon R9 255 OEM and GeForce MX450 12W - video card comparison

Radeon R9 255 OEM

GeForce MX450 12W

Architecture

GCN 1.0 (2012−2020)

Turing (2018−2021)

GPU code name

Cape Verde

TU117S

Market segment

Desktop

Release date

December 2013

August 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Supplementary power connectors

1x 6-pin

None

Boost clock speed

930 MHz

Core clock speed

900 MHz

Floating-point performance

952.3 gflops

Manufacturing process technology

28 nm

12 nm

Number of transistors

1,500 million

4,700 million

Pipelines / CUDA cores

512

896

Power consumption (TDP)

65 Watt

12 Watt

Texture fill rate

29.76

52.08

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

4600 MHz

10 GB/s

Memory bandwidth

73.6 GB/s

80 GB/s

Display Connectors

No outputs

Portable Device Dependent

DirectX

12 (11_1)

12 (12_1)

CUDA

7.5

OpenCL

1.2

3.0

OpenGL

4.6

Shader Model

5.1

6.7 (6.4)

Vulkan

1.2.131

1.3