AMD Radeon HD 8870M vs AMD Radeon RX 6500M

VS

AMD Radeon HD 8870M

AMD Radeon RX 6500M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 4GB VRAM Radeon RX 6500M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500M 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 210% (2400MHz vs 775MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 72.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Radeon RX 6500M +395%

4.915 TFLOPS

Radeon HD 8870M

VS

Radeon RX 6500M

Graphics Card

Apr 2013

Release Date

Jan 2022

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

725 MHz

Base Clock

2000 MHz

775 MHz

Boost Clock

2400 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

144.0GB/s

Render Config

10

Compute Units

16

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

12.40 GPixel/s

Pixel Rate

76.80 GPixel/s

31.00 GTexel/s

Texture Rate

153.6 GTexel/s

-

FP16 (half)

9.830 TFLOPS

992.0 GFLOPS

FP32 (float)

4.915 TFLOPS

62.00 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Navi 24

Venus XT (216-0846000)

GPU Variant

Navi 24 XM

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

1.5 billion

Transistors

5.4 billion

123 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.6

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