Radeon R7 265 and A800 PCIe 40 GB - video card comparison

Radeon R7 265

A800 PCIe 40 GB

Architecture

GCN 1.0 (2012−2020)

Ampere (2020−2022)

GPU code name

Pitcairn

GA100

Market segment

Desktop

Desktop

Release date

February 2014

November 2022

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1 x 6-pin

8-pin EPS

Boost clock speed

925 MHz

1410 MHz

Floating-point performance

1,894 gflops

-

Manufacturing process technology

28 nm

7 nm

Number of transistors

2,800 million

54,200 million

Pipelines / CUDA cores

1024

6912

Power consumption (TDP)

150 Watt

250 Watt

Texture fill rate

59.20

609.1

Memory type

GDDR5

HBM2e

Maximum RAM amount

4 GB

40 GB

Memory bus width

256 Bit

5120 Bit

Memory clock speed

1400 MHz

2.4 GB/s

Memory bandwidth

179.2 GB/s

1,555 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 12

N/A

CUDA

-

8.0

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.6

N/A

Shader Model

5.1

N/A

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

DDMA audio

+

-

Enduro

-

-

FreeSync

1

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-