AMD Radeon RX 6700S vs AMD Radeon HD 6450A

VS

AMD Radeon RX 6700S

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6700S and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700S 's Advantages

Released 10 years and 9 months late

Boost Clock2000MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 8.528GB/s)

1632 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6700S +3484%

7.168 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Radeon RX 6700S

VS

Radeon HD 6450A

Graphics Card

Jan 2022

Release Date

Apr 2011

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1700 MHz

Base Clock

-

2000 MHz

Boost Clock

-

1750 MHz

Memory Clock

533 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

8.528GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

160

112

TMUs

8

64

ROPs

4

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

2.500 GPixel/s

224.0 GTexel/s

Texture Rate

5.000 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

200.0 GFLOPS

448.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Caicos

-

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.37 billion

237 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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