GPU Comparison

A

AMD

RADEON

AMD Radeon R8 M445DX

CORE STATE Meso

VRAM System Shared

CLOCK SPEED 1021 MHz

TDP —

BUS WIDTH System Shared

ARCHITECTURE GCN 3.0

nm

PROCESS 28 nm

LAUNCH DATE 2016

VS

A

AMD

RADEON

Radeon RX 6600M

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2416 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

4,670

66,290

3dmark_3dmark_steel_nomad_dx12

N/A

1,495

geekbench_metal

N/A

94,242

geekbench_vulkan

N/A

73,740

passmark_directx_10

N/A

87

passmark_directx_11

N/A

136

passmark_directx_12

N/A

52

passmark_directx_9

N/A

184

passmark_g2d

N/A

728

passmark_g3d

N/A

13,929

passmark_gpu_compute

N/A

5,646

DETAILED SPECIFICATIONS

SPECIFICATION

R8 M445DX

RX 6600M

Core Specs

Shading Units

320

1,792 +460.0%

Shaders

320

1,792 +460.0%

TMUs

20

112 +460.0%

ROPs

8

64 +700.0%

Compute Units

5

28 +460.0%

Clocks

Base Clock

780 MHz

2068 MHz

Boost Clock

1021 MHz

2416 MHz

Game Clock

—

2177 MHz

Memory Clock

System Shared

1750 MHz 14 Gbps effective

Memory

Memory Size

System Shared

8 GB

VRAM (MB)

—

8,192

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

128 bit

Bandwidth

System Dependent

224.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

128 KB

2 MB

L3 Cache

—

32 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

8.168 GPixel/s

154.6 GPixel/s

Texture Rate

20.42 GTexel/s

270.6 GTexel/s

FP32 (TFLOPS)

653.4 GFLOPS

8.659 TFLOPS

FP64 (TFLOPS)

40.84 GFLOPS (1:16)

541.2 GFLOPS (1:16)

FP16 (TFLOPS)

653.4 GFLOPS (1:1)

17.32 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

—

100 W

TDP (W)

—

100

Power Connectors

—

None

Architecture

Architecture

GCN 3.0

RDNA 2.0

GPU Name

Meso

Navi 23

Generation

Gem System Hybrid (Rx M400)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

1,550 million

11,060 million

Die Size

125 mm²

237 mm²

Foundry

TSMC

TSMC

Density

12.4M / mm²

46.7M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1

2.1

Shader Model

6.5

6.8

Physical

Slot Width

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

IGP

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

—

Polaris Mobile

View Radeon R8 M445DX Details View Radeon RX 6600M Details