AMD Radeon RX 6600M vs ATI Radeon E2400

VS

AMD Radeon RX 6600M

ATI Radeon E2400

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 128MB VRAM Radeon E2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 13 years and 11 months late

Boost Clock2416MHz

More VRAM (8GB vs 128GB)

Larger VRAM bandwidth (224.0GB/s vs 11.20GB/s)

1752 additional rendering cores

ATI Radeon E2400 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +17939%

8.659 TFLOPS

Radeon E2400

0.048 TFLOPS

Radeon RX 6600M

VS

Radeon E2400

Graphics Card

May 2021

Release Date

Jun 2007

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-II

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

128MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

11.20GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

64

ROPs

4

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

32 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

2.400 GPixel/s

270.6 GTexel/s

Texture Rate

2.400 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

48.00 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

RV610

-

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

11.06 billion

Transistors

0.18 billion

237 mm²

Die Size

85 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.0

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