AMD Radeon RX 6450M vs AMD Radeon HD 8590M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 1024MB VRAM Radeon HD 8590M 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 10 months late

Boost Clock has increased by 198% (2460MHz vs 825MHz)

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (128.0GB/s vs 36.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +615%

3.779 TFLOPS

Radeon HD 8590M

0.528 TFLOPS

Radeon RX 6450M

VS

Radeon HD 8590M

Graphics Card

Jan 2023

Release Date

Mar 2013

Navi Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

750 MHz

2460 MHz

Boost Clock

825 MHz

2000 MHz

Memory Clock

1125 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

36.00GB/s

Render Config

-

SM Count

-

12

Compute Units

5

768

Shading Units

320

48

TMUs

20

32

ROPs

8

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

6.600 GPixel/s

118.1 GTexel/s

Texture Rate

16.50 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

528.0 GFLOPS

236.2 GFLOPS

FP64 (double)

33.00 GFLOPS

Graphics Processor

Navi 24

GPU Name

Sun

Navi 24 XML

GPU Variant

-

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

0.69 billion

107 mm²

Die Size

56 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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