AMD Radeon R9 M385X vs AMD Radeon RX 6700M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 10GB VRAM Radeon RX 6700M 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 118% (2400MHz vs 1100MHz)

More VRAM (10GB vs 4GB)

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

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

Radeon RX 6700M +461%

11.06 TFLOPS

Radeon R9 M385X

VS

Radeon RX 6700M

Graphics Card

May 2015

Release Date

May 2021

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1489 MHz

1100 MHz

Boost Clock

2400 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

160bit

76.80GB/s

Bandwidth

320.0GB/s

Render Config

-

SM Count

-

14

Compute Units

36

896

Shading Units

2304

56

TMUs

144

16

ROPs

64

-

Tensor Cores

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

153.6 GPixel/s

61.60 GTexel/s

Texture Rate

345.6 GTexel/s

-

FP16 (half)

22.12 TFLOPS

1.971 TFLOPS

FP32 (float)

11.06 TFLOPS

123.2 GFLOPS

FP64 (double)

691.2 GFLOPS

Graphics Processor

Strato

GPU Name

Navi 22

Strato XT

GPU Variant

Navi 22

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.08 billion

Transistors

17.2 billion

160 mm²

Die Size

335 mm²

Board Design

Unknown

TDP

135W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

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

-

CUDA

-

6.5

Shader Model

6.5

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