AMD Radeon RX 6450M vs AMD Radeon RX 7700S

VS

AMD Radeon RX 6450M

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Lower TDP (50W vs 100W)

AMD Radeon RX 7700S 's Advantages

Boost Clock has increased by 2% (2500MHz vs 2460MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (288.0GB/s vs 128.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

Radeon RX 7700S +441%

20.48 TFLOPS

Radeon RX 6450M

VS

Radeon RX 7700S

Graphics Card

Jan 2023

Release Date

Jan 2023

Navi Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

2000 MHz

Base Clock

1500 MHz

2460 MHz

Boost Clock

2500 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

288.0GB/s

Render Config

12

Compute Units

32

-

768

Shading Units

2048

48

TMUs

128

32

ROPs

64

-

12

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

16 MB

L3 Cache

32 MB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

160.0 GPixel/s

118.1 GTexel/s

Texture Rate

320.0 GTexel/s

7.557 TFLOPS

FP16 (half)

40.96 TFLOPS

3.779 TFLOPS

FP32 (float)

20.48 TFLOPS

236.2 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

50W

TDP

100W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Navi 33

Navi 24 XML

GPU Variant

Navi 33 XT

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

6 nm

5.4 billion

Transistors

13.3 billion

107 mm²

Die Size

204 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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