AMD Radeon RX 6450M vs ATI Mobility Radeon HD 4670

VS

AMD Radeon RX 6450M ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 14 years late

Boost Clock2460MHz

Larger VRAM bandwidth (128.0GB/s vs 25.60GB/s)

448 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 6450M +774%

3.779 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon RX 6450M

VS

Mobility Radeon HD 4670

Graphics Card

Jan 2023

Release Date

Jan 2009

Navi Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

MXM-A (3.0)

Clock Speeds

2000 MHz

Base Clock

-

2460 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

12

Compute Units

4

768

Shading Units

320

48

TMUs

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

5.400 GPixel/s

118.1 GTexel/s

Texture Rate

21.60 GTexel/s

7.557 TFLOPS

FP16 (half)

-

3.779 TFLOPS

FP32 (float)

432.0 GFLOPS

236.2 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

M96

Navi 24 XML

GPU Variant

M96 XT (216-0729051)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.514 billion

107 mm²

Die Size

146 mm²

Board Design

50W

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

4.1

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