AMD Radeon RX 6650M vs AMD Radeon HD 8670A

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 8 years and 11 months late

Boost Clock2416MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (256.0GB/s vs 16.00GB/s)

1408 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 6650M +1778%

8.659 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 6650M

VS

Radeon HD 8670A

Graphics Card

Jan 2022

Release Date

Feb 2013

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

28

Compute Units

6

1792

Shading Units

384

112

TMUs

24

64

ROPs

8

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

4.800 GPixel/s

270.6 GTexel/s

Texture Rate

14.40 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

460.8 GFLOPS

541.2 GFLOPS

FP64 (double)

28.80 GFLOPS

Graphics Processor

Navi 23

GPU Name

Mars

-

GPU Variant

Mars XT

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

0.95 billion

237 mm²

Die Size

77 mm²

Board Design

120W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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