AMD Radeon R9 M385 vs AMD Radeon RX 6700S

VS

AMD Radeon R9 M385

AMD Radeon RX 6700S

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 8GB VRAM Radeon RX 6700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700S 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 100% (2000MHz vs 1000MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 76.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385

1.792 TFLOPS

Radeon RX 6700S +300%

7.168 TFLOPS

Radeon R9 M385

VS

Radeon RX 6700S

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

900 MHz

Base Clock

1700 MHz

1000 MHz

Boost Clock

2000 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

28

-

896

Shading Units

1792

56

TMUs

112

16

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

128.0 GPixel/s

56.00 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

1.792 TFLOPS

FP32 (float)

7.168 TFLOPS

112.0 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

Unknown

TDP

80W

-

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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