Radeon HD 7770M and GeForce RTX 3070 Mobile - video card comparison

Radeon HD 7770M

GeForce RTX 3070 Mobile

Architecture

GCN (2011−2017)

Ampere (2020−2022)

GPU code name

Chelsea XT

GN20-E5 GA104

Market segment

Laptop

Release date

April 2012

January 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Boost clock speed

1290 - 1620 MHz

Core clock speed

675 MHz

780 - 1100 MHz

Floating-point performance

691.2 gflops

Manufacturing process technology

28 nm

8 nm

Number of transistors

1,500 million

17,400 million

Pipelines / CUDA cores

512

5120

Power consumption (TDP)

32 Watt

125 Watt

Texture fill rate

21.60

287.0

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

4000 MHz

14000 MHz

Memory bandwidth

64 GB/s

320.0 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

8.5

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.2.131

1.2