AMD Radeon RX 6450M vs AMD Radeon HD 8850M

VS

AMD Radeon RX 6450M

AMD Radeon HD 8850M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon HD 8850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 294% (2460MHz vs 625MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +372%

3.779 TFLOPS

Radeon HD 8850M

0.8 TFLOPS

Radeon RX 6450M

VS

Radeon HD 8850M

Graphics Card

Jan 2023

Release Date

Apr 2013

Navi Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

575 MHz

2460 MHz

Boost Clock

625 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

10.00 GPixel/s

118.1 GTexel/s

Texture Rate

25.00 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

800.0 GFLOPS

236.2 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

50W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Venus

Navi 24 XML

GPU Variant

Venus PRO (216-0846009)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5 (5.1)

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