Radeon R9 270 1024SP and Radeon RX 7950 XTX - video card comparison

Radeon R9 270 1024SP

Radeon RX 7950 XTX

Architecture

GCN 1.0 (2012−2020)

RDNA 3.0 (2022)

GPU code name

Pitcairn

Navi 31

Market segment

Desktop

Release date

March 2015

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

2x 8-pin

Boost clock speed

925 MHz

3300 MHz

Core clock speed

900 MHz

Floating-point performance

1,894 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

2,800 million

57,700 million

Pipelines / CUDA cores

1024

6144

Power consumption (TDP)

150 Watt

355 Watt

Texture fill rate

59.20

1,267

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

24 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

4800 MHz

20 GB/s

Memory bandwidth

153.6 GB/s

960.0 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenCL

1.2

2.2

OpenGL

4.6

Shader Model

5.1

6.7

Vulkan

1.2.131

1.3