AMD Radeon RX 6650M vs AMD Radeon HD 6870M

VS

AMD Radeon RX 6650M

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 11 years late

Boost Clock2416MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

992 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 6650M +701%

8.659 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Radeon RX 6650M

VS

Radeon HD 6870M

Graphics Card

Jan 2022

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (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

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/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

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

10.80 GPixel/s

270.6 GTexel/s

Texture Rate

27.00 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

1080 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Granville

-

GPU Variant

Granville XT (216-0769024)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

1.04 billion

237 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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