AMD Radeon R9 M485X vs AMD Radeon RX 6700M

VS

AMD Radeon R9 M485X

AMD Radeon RX 6700M

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X 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 5 years late

Boost Clock2400MHz

More VRAM (10GB vs 8GB)

Larger VRAM bandwidth (320.0GB/s vs 160.0GB/s)

256 additional rendering cores

Lower TDP (135W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X

2.961 TFLOPS

Radeon RX 6700M +273%

11.06 TFLOPS

Radeon R9 M485X

VS

Radeon RX 6700M

Graphics Card

May 2016

Release Date

May 2021

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1489 MHz

-

Boost Clock

2400 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

160bit

160.0GB/s

Bandwidth

320.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

64

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

153.6 GPixel/s

92.54 GTexel/s

Texture Rate

345.6 GTexel/s

2.961 TFLOPS

FP16 (half)

22.12 TFLOPS

2.961 TFLOPS

FP32 (float)

11.06 TFLOPS

185.1 GFLOPS

FP64 (double)

691.2 GFLOPS

Board Design

250W

TDP

135W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Navi 22

Amethyst XT

GPU Variant

Navi 22

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

17.2 billion

366 mm²

Die Size

335 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

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