AMD Radeon RX 6650M XT vs AMD Radeon HD 6870M

VS

AMD Radeon RX 6650M XT AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M XT 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 XT 's Advantages

Released 11 years late

Boost Clock2416MHz

More VRAM (8GB vs 1GB)

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

1248 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 6650M XT +816%

9.896 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Radeon RX 6650M XT

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

-

SM Count

-

32

Compute Units

10

2048

Shading Units

800

128

TMUs

40

64

ROPs

16

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

10.80 GPixel/s

309.2 GTexel/s

Texture Rate

27.00 GTexel/s

19.79 TFLOPS

FP16 (half)

-

9.896 TFLOPS

FP32 (float)

1080 GFLOPS

618.5 GFLOPS

FP64 (double)

-

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

Board Design

120W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

5.0

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