AMD Radeon HD 8690M vs AMD Radeon RX 6450M

VS

AMD Radeon HD 8690M

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 10 months late

Boost Clock has increased by 152% (2460MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 32.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon RX 6450M +505%

3.779 TFLOPS

Radeon HD 8690M

VS

Radeon RX 6450M

Graphics Card

Mar 2013

Release Date

Jan 2023

Solar System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

925 MHz

Base Clock

2000 MHz

975 MHz

Boost Clock

2460 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

128.0GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

768

20

TMUs

48

8

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

78.72 GPixel/s

19.50 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

624.0 GFLOPS

FP32 (float)

3.779 TFLOPS

39.00 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Navi 24

Sun S3 XT (216-0841009)

GPU Variant

Navi 24 XML

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.69 billion

Transistors

5.4 billion

56 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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