Radeon HD 7770M and GeForce GT 220 - video card comparison

Radeon HD 7770M

GeForce GT 220

Architecture

GCN (2011−2017)

GT2xx (2009−2012)

GPU code name

Chelsea XT

GT216

Market segment

Laptop

Desktop

Release date

April 2012

October 2009

Bus support

-

PCI-E 2.0

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Core clock speed

675 MHz

625 MHz

CUDA cores

-

48

Floating-point performance

691.2 gflops

144 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,500 million

486 million

Pipelines / CUDA cores

512

48

Power consumption (TDP)

32 Watt

58 Watt

Maximum GPU temperature

-

105 °C

Texture fill rate

21.60

9.840

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

4000 MHz

790 MHz

Memory bandwidth

64 GB/s

25.3 GB/s

Shared memory

-

-

Display Connectors

No outputs

VGADVIHDMI

Multi monitor support

-

+

HDMI

-

+

Maximum VGA resolution

-

2048x1536

Audio input for HDMI

-

S/PDIF + HDA

DirectX

12 (11_1)

11.1 (10_1)

CUDA

-

+

OpenCL

1.2

1.1

OpenGL

4.6

3.1

Shader Model

5.1

4.1

Vulkan

1.2.131

N/A