AMD Radeon RX 6700M vs AMD Radeon R9 M385

VS

We compared two Mobile platform GPUs: 10GB VRAM Radeon RX 6700M and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700M 's Advantages

Released 6 years late

Boost Clock has increased by 140% (2400MHz vs 1000MHz)

More VRAM (10GB vs 4GB)

Larger VRAM bandwidth (320.0GB/s vs 76.80GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6700M +517%

11.06 TFLOPS

Radeon R9 M385

1.792 TFLOPS

Radeon RX 6700M

VS

Radeon R9 M385

Graphics Card

May 2021

Release Date

May 2015

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1489 MHz

Base Clock

900 MHz

2400 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1200 MHz

Memory

10GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

128bit

320.0GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

36

Compute Units

14

2304

Shading Units

896

144

TMUs

56

64

ROPs

16

-

Tensor Cores

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

Theoretical Performance

153.6 GPixel/s

Pixel Rate

16.00 GPixel/s

345.6 GTexel/s

Texture Rate

56.00 GTexel/s

22.12 TFLOPS

FP16 (half)

-

11.06 TFLOPS

FP32 (float)

1.792 TFLOPS

691.2 GFLOPS

FP64 (double)

112.0 GFLOPS

Graphics Processor

Navi 22

GPU Name

Strato

Navi 22

GPU Variant

Strato XT

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

2.08 billion

335 mm²

Die Size

160 mm²

Board Design

135W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2.170

-

CUDA

-

6.5

Shader Model

6.5

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