Radeon HD 7770M and GeForce RTX 3090 Ti - video card comparison

Radeon HD 7770M

GeForce RTX 3090 Ti

Architecture

GCN (2011−2017)

Ampere (2020−2022)

GPU code name

Chelsea XT

Ampere GA102

Market segment

Laptop

Desktop

Release date

April 2012

January 2022

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 16-pin

Boost clock speed

1860 MHz

Core clock speed

675 MHz

1560 MHz

Floating-point performance

691.2 gflops

Manufacturing process technology

28 nm

8 nm

Number of transistors

1,500 million

28,300 million

Pipelines / CUDA cores

512

10752

Power consumption (TDP)

32 Watt

450 Watt

Texture fill rate

21.60

625.0

Memory type

GDDR5

GDDR6X

Maximum RAM amount

1 GB

24 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

4000 MHz

21000 MHz

Memory bandwidth

64 GB/s

1,008 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

8.6

OpenCL

1.2

3.0

OpenGL

4.6

Shader Model

5.1

6.6

Vulkan

1.2.131

1.3