GPU Comparison

A

AMD

RADEON

AMD Radeon HD 8670M

CORE STATE Sun

VRAM 1024 MB

CLOCK SPEED 975 MHz

TDP —

BUS WIDTH 64 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2013

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

5,012

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

HD 8670M

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

925 MHz

2068 MHz

Boost Clock

975 MHz

2416 MHz

Game Clock

—

2177 MHz

Memory Clock

900 MHz 1800 Mbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

1024 MB

8 GB

VRAM (MB)

1,024

8,192 +700.0%

Memory Type

DDR3

GDDR6

Memory Bus

64 bit

128 bit

Bandwidth

14.40 GB/s

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

7.800 GPixel/s

154.6 GPixel/s

Texture Rate

19.50 GTexel/s

270.6 GTexel/s

FP32 (TFLOPS)

624.0 GFLOPS

8.659 TFLOPS

FP64 (TFLOPS)

39.00 GFLOPS (1:16)

541.2 GFLOPS (1:16)

FP16 (TFLOPS)

—

17.32 TFLOPS (2:1)

AI/RT

RT Cores

—

28

Power

TDP

—

100 W

TDP (W)

—

100

Power Connectors

—

None

Architecture

Architecture

GCN 1.0

RDNA 2.0

GPU Name

Sun

Navi 23

Generation

Solar System (HD 8600M)

Navi Mobile (RX 6000M)

Process Size

28 nm

7 nm

Transistors

690 million

11,060 million

Die Size

56 mm²

237 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

46.7M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

2.1

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

—

IGP

Outputs

—

Portable Device Dependent

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x8

Other

Production

End-of-life

End-of-life

Predecessor

London

Polaris Mobile

Successor

Gem System

—

View Radeon HD 8670M Details View Radeon RX 6600M Details