AMD Radeon RX 6450M vs ATI Mobility Radeon HD 4850 Mac Edition

VS

AMD Radeon RX 6450M

ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 512MB VRAM Mobility Radeon HD 4850 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 13 years and 5 months late

Boost Clock2460MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 54.40GB/s)

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +370%

3.779 TFLOPS

Mobility Radeon HD 4850 Mac Edition

0.804 TFLOPS

Radeon RX 6450M

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

Jan 2023

Release Date

Aug 2009

Navi Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

MXM-B (3.0)

Clock Speeds

2000 MHz

Base Clock

-

2460 MHz

Boost Clock

-

2000 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

54.40GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

8.048 GPixel/s

118.1 GTexel/s

Texture Rate

20.12 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

804.8 GFLOPS

236.2 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

50W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

M98

Navi 24 XML

GPU Variant

M98 L2 (216-0732019)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.956 billion

107 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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