AMD Radeon R9 M385X vs AMD Radeon RX 6650M XT

VS

AMD Radeon R9 M385X

AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M XT 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 120% (2416MHz vs 1100MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 76.80GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon RX 6650M XT +402%

9.896 TFLOPS

Radeon R9 M385X

VS

Radeon RX 6650M XT

Graphics Card

May 2015

Release Date

Jan 2022

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1000 MHz

Base Clock

2068 MHz

1100 MHz

Boost Clock

2416 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

256.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

154.6 GPixel/s

61.60 GTexel/s

Texture Rate

309.2 GTexel/s

-

FP16 (half)

19.79 TFLOPS

1.971 TFLOPS

FP32 (float)

9.896 TFLOPS

123.2 GFLOPS

FP64 (double)

618.5 GFLOPS

Board Design

Unknown

TDP

120W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Navi 23

Strato XT

GPU Variant

-

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.08 billion

Transistors

11.06 billion

160 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

1.2.170

Vulkan

1.3

-

6.5

Shader Model

6.5

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