AMD Radeon RX 6600S vs AMD Radeon RX 7700S

VS

AMD Radeon RX 6600S

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S 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 6600S 's Advantages

Lower TDP (80W vs 100W)

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

Score

Benchmark

FP32 (float)

Radeon RX 6600S

7.168 TFLOPS

Radeon RX 7700S +185%

20.48 TFLOPS

Blender

Radeon RX 6600S

1115

Radeon RX 7700S +7%

1198

Radeon RX 6600S

VS

Radeon RX 7700S

Graphics Card

Jan 2022

Release Date

Jan 2023

Mobility Radeon

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

1500 MHz

2000 MHz

Boost Clock

2500 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

288.0GB/s

Render Config

28

Compute Units

32

-

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

28

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

32 MB

Theoretical Performance

128.0 GPixel/s

Pixel Rate

160.0 GPixel/s

224.0 GTexel/s

Texture Rate

320.0 GTexel/s

14.34 TFLOPS

FP16 (half)

40.96 TFLOPS

7.168 TFLOPS

FP32 (float)

20.48 TFLOPS

448.0 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

80W

TDP

100W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Navi 33

-

GPU Variant

Navi 33 XT

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

11.06 billion

Transistors

13.3 billion

237 mm²

Die Size

204 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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