AMD Radeon RX 6850M XT vs AMD Radeon HD 7450A

VS

AMD Radeon RX 6850M XT

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 512MB VRAM Radeon HD 7450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6850M XT 's Advantages

Released 10 years late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 12.80GB/s)

2400 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +6505%

13.21 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

Radeon RX 6850M XT

VS

Radeon HD 7450A

Graphics Card

Jan 2022

Release Date

Jan 2012

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

12.80GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

160

TMUs

8

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

2.500 GPixel/s

413.0 GTexel/s

Texture Rate

5.000 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

200.0 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Board Design

165W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

Caicos

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.37 billion

335 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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