AMD Radeon RX 6300M vs AMD Radeon HD 7490M

VS

AMD Radeon RX 6300M

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 10 years late

Boost Clock2400MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 30.40GB/s)

608 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Lower TDP (9W vs 35W)

Score

Benchmark

FP32 (float)

Radeon RX 6300M +1339%

3.686 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Radeon RX 6300M

VS

Radeon HD 7490M

Graphics Card

Jan 2022

Release Date

Jan 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

950 MHz

Memory

2GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

64bit

72.00GB/s

Bandwidth

30.40GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

160

48

TMUs

8

32

ROPs

4

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

8 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

3.200 GPixel/s

115.2 GTexel/s

Texture Rate

6.400 GTexel/s

7.373 TFLOPS

FP16 (half)

-

3.686 TFLOPS

FP32 (float)

256.0 GFLOPS

230.4 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

9W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Seymour

Navi 24 XML

GPU Variant

Seymour XTX (216-0810005)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.37 billion

107 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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