AMD Radeon E9390 PCIe vs AMD Radeon RX 6600S

VS

AMD Radeon E9390 PCIe

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe 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 E9390 PCIe 's Advantages

More VRAM (8GB vs 4GB)

Lower TDP (75W vs 80W)

AMD Radeon RX 6600S 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 84% (2000MHz vs 1089MHz)

Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe

3.903 TFLOPS

Radeon RX 6600S +83%

7.168 TFLOPS

Radeon E9390 PCIe

VS

Radeon RX 6600S

Graphics Card

Oct 2019

Release Date

Jan 2022

Embedded

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

713 MHz

Base Clock

1700 MHz

1089 MHz

Boost Clock

2000 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

224.0GB/s

Render Config

28

Compute Units

28

-

1792

Shading Units

1792

112

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

34.85 GPixel/s

Pixel Rate

128.0 GPixel/s

122.0 GTexel/s

Texture Rate

224.0 GTexel/s

3.903 TFLOPS

FP16 (half)

14.34 TFLOPS

3.903 TFLOPS

FP32 (float)

7.168 TFLOPS

243.9 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

75W

TDP

80W

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Navi 23

-

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

5.7 billion

Transistors

11.06 billion

232 mm²

Die Size

237 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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