AMD Radeon RX 6650M vs ATI Mobility Radeon HD 4870

VS

AMD Radeon RX 6650M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 13 years late

Boost Clock2416MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 56.83GB/s)

992 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650M +883%

8.659 TFLOPS

Mobility Radeon HD 4870

0.88 TFLOPS

Radeon RX 6650M

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2022

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

2000 MHz

Memory Clock

888 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

56.83GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

8.800 GPixel/s

270.6 GTexel/s

Texture Rate

22.00 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

880.0 GFLOPS

541.2 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

120W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

M98

-

GPU Variant

M98 XT L2 (216-0732023)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.956 billion

237 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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