AMD Radeon RX 6600S vs AMD Radeon HD 7590M

VS

AMD Radeon RX 6600S

AMD Radeon HD 7590M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 1024MB VRAM Radeon HD 7590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 10 years late

Boost Clock2000MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1312 additional rendering cores

AMD Radeon HD 7590M 's Advantages

Lower TDP (18W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +1144%

7.168 TFLOPS

Radeon HD 7590M

0.576 TFLOPS

Radeon RX 6600S

VS

Radeon HD 7590M

Graphics Card

Jan 2022

Release Date

Jan 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2000 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

25.60GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

480

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

4.800 GPixel/s

224.0 GTexel/s

Texture Rate

14.40 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

576.0 GFLOPS

448.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

18W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Thames

-

GPU Variant

Thames XT (216-0833000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.716 billion

237 mm²

Die Size

104 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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