Radeon R9 255 OEM and RTX 1000 Ada Generation Mobile - video card comparison

Radeon R9 255 OEM

RTX 1000 Ada Generation Mobile

Architecture

GCN 1.0 (2012−2020)

Ada Lovelace

GPU code name

Cape Verde

GN21-X2

Market segment

Desktop

Laptop

Release date

December 2013

February 2024

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

930 MHz

Core clock speed

900 MHz

Floating-point performance

952.3 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

1,500 million

Pipelines / CUDA cores

512

2560

Power consumption (TDP)

65 Watt

115 Watt (35 - 115 Watt TGP)

Texture fill rate

29.76

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

6 GB

Memory bus width

128 Bit

96 Bit

Memory clock speed

4600 MHz

16000 MHz

Memory bandwidth

73.6 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_1)

12 Ultimate

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

1.2.131