AMD Radeon RX 7700S vs AMD Radeon RX 6600S

VS

AMD Radeon RX 7700S

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700S 's Advantages

Released 1 years late

Boost Clock has increased by 25% (2500MHz vs 2000MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)

256 additional rendering cores

AMD Radeon RX 6600S 's Advantages

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 7700S +185%

20.48 TFLOPS

Radeon RX 6600S

7.168 TFLOPS

Blender

Radeon RX 7700S +7%

1198

Radeon RX 6600S

1115

Radeon RX 7700S

VS

Radeon RX 6600S

Graphics Card

Jan 2023

Release Date

Jan 2022

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1500 MHz

Base Clock

1700 MHz

2500 MHz

Boost Clock

2000 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

288.0GB/s

Bandwidth

224.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

64

ROPs

64

-

32

RT Cores

28

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

32 MB

Theoretical Performance

160.0 GPixel/s

Pixel Rate

128.0 GPixel/s

320.0 GTexel/s

Texture Rate

224.0 GTexel/s

40.96 TFLOPS

FP16 (half)

14.34 TFLOPS

20.48 TFLOPS

FP32 (float)

7.168 TFLOPS

640.0 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

100W

TDP

80W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 33

GPU Name

Navi 23

Navi 33 XT

GPU Variant

-

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

13.3 billion

Transistors

11.06 billion

204 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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