AMD Radeon HD 8830M vs AMD Radeon RX 6450M

VS

AMD Radeon HD 8830M

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8830M and 4GB VRAM Radeon RX 6450M 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 32.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8830M

0.8 TFLOPS

Radeon RX 6450M +372%

3.779 TFLOPS

Radeon HD 8830M

VS

Radeon RX 6450M

Graphics Card

Apr 2013

Release Date

Jan 2023

Solar System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

575 MHz

Base Clock

2000 MHz

625 MHz

Boost Clock

2460 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

128.0GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

10.00 GPixel/s

Pixel Rate

78.72 GPixel/s

25.00 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

800.0 GFLOPS

FP32 (float)

3.779 TFLOPS

50.00 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Navi 24

Venus LE (216-0846030)

GPU Variant

Navi 24 XML

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

6.7

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