AMD Radeon RX 7700S vs AMD Radeon HD 7450A

VS

AMD Radeon RX 7700S

AMD Radeon HD 7450A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S 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 7700S 's Advantages

Released 11 years late

Boost Clock2500MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 12.80GB/s)

1888 additional rendering cores

AMD Radeon HD 7450A 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 7700S +10140%

20.48 TFLOPS

Radeon HD 7450A

0.2 TFLOPS

Radeon RX 7700S

VS

Radeon HD 7450A

Graphics Card

Jan 2023

Release Date

Jan 2012

Navi Mobile

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1500 MHz

Base Clock

-

2500 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

64bit

288.0GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

160

128

TMUs

8

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

160.0 GPixel/s

Pixel Rate

2.500 GPixel/s

320.0 GTexel/s

Texture Rate

5.000 GTexel/s

40.96 TFLOPS

FP16 (half)

-

20.48 TFLOPS

FP32 (float)

200.0 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 33

GPU Name

Caicos

Navi 33 XT

GPU Variant

-

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

13.3 billion

Transistors

0.37 billion

204 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

-

6.7

Shader Model

5.0

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