AMD Radeon HD 7450A vs AMD Radeon RX 6800M

VS

AMD Radeon HD 7450A

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 9 years and 4 months late

Boost Clock2390MHz

More VRAM (12GB vs 512GB)

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

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon RX 6800M +6020%

12.24 TFLOPS

Radeon HD 7450A

VS

Radeon RX 6800M

Graphics Card

Jan 2012

Release Date

May 2021

All-In-One

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2116 MHz

-

Boost Clock

2390 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

12.80GB/s

Bandwidth

384.0GB/s

Render Config

2

Compute Units

40

-

160

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

153.0 GPixel/s

5.000 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

200.0 GFLOPS

FP32 (float)

12.24 TFLOPS

-

FP64 (double)

764.8 GFLOPS

Board Design

25W

TDP

145W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Navi 22

-

GPU Variant

Navi 22 XTM

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.37 billion

Transistors

17.2 billion

67 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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