AMD Radeon RX 6600M vs ATI Mobility Radeon X1900

VS

AMD Radeon RX 6600M ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 14 years and 4 months late

Boost Clock2416MHz

Larger VRAM bandwidth (224.0GB/s vs 30.08GB/s)

1792 additional rendering cores

Score

Radeon RX 6600M

VS

Mobility Radeon X1900

Graphics Card

May 2021

Release Date

Jan 2007

Mobility Radeon

Generation

M6x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-III

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

470 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

-

112

TMUs

12

64

ROPs

12

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

4.800 GPixel/s

270.6 GTexel/s

Texture Rate

4.800 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

-

541.2 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

M68

-

GPU Variant

-

RDNA 2.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

11.06 billion

Transistors

0.312 billion

237 mm²

Die Size

230 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

3.0

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