GeForce 305M and Radeon RX 580X Mobile - video card comparison

GeForce 305M

Radeon RX 580X Mobile

Architecture

GT2xx (2009−2012)

Polaris (2016−2019)

GPU code name

n11m-lp1

Polaris

Market segment

Laptop

Laptop

Release date

January 2010

January 2019

Bus support

PCI-E 2.0

-

Interface

PCIe 2.0 x16

MXM-B (3.0)

Boost clock speed

-

1340 MHz

Core clock speed

525 MHz

-

CUDA cores

16

-

Floating-point performance

36.8 gflops

-

Gigaflops

55

-

Manufacturing process technology

40 nm

14 nm

Number of transistors

260 million

5,700 million

Pipelines / CUDA cores

16

2304

Power consumption (TDP)

14 Watt

65-110 Watt

Texture fill rate

4.200

155.1

Memory type

GDDR2, GDDR3, DDR2, DDR3

GDDR5

Maximum RAM amount

Up to 512 MB

8 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

Up to 700 (DDR3), Up to 700 (GDDR3) MHz

8000 MHz

Memory bandwidth

11.2 GB/s

256.0 GB/s

Shared memory

-

-

Display Connectors

DisplayPortHDMIVGADual Link DVISingle Link DVI

No outputs

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

DirectX

11.1 (10_1)

12 (12_0)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

2.1

4.6

Shader Model

4.1

6.4

Vulkan

N/A

1.2.131

Power management

8.0

-