AMD Radeon HD 6490M vs AMD Radeon RX 6300M

VS

AMD Radeon HD 6490M

AMD Radeon RX 6300M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 2GB VRAM Radeon RX 6300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 11 years late

Boost Clock2400MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX 6300M +1339%

3.686 TFLOPS

Radeon HD 6490M

VS

Radeon RX 6300M

Graphics Card

Jan 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2400 MHz

800 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

32bit

25.60GB/s

Bandwidth

72.00GB/s

Render Config

2

Compute Units

12

-

160

Shading Units

768

8

TMUs

48

4

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

76.80 GPixel/s

6.400 GTexel/s

Texture Rate

115.2 GTexel/s

-

FP16 (half)

7.373 TFLOPS

256.0 GFLOPS

FP32 (float)

3.686 TFLOPS

-

FP64 (double)

230.4 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Navi 24

Seymour XTX S3 (216-0809024)

GPU Variant

Navi 24 XML

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

0.37 billion

Transistors

5.4 billion

67 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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