AMD Radeon RX 7800M vs AMD Radeon HD 6450M

VS

AMD Radeon RX 7800M

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 13 years and 8 months late

Boost Clock2145MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432GB/s vs 12.80GB/s)

3680 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800M +18582%

35.87 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Radeon RX 7800M

VS

Radeon HD 6450M

Graphics Card

Sep 2024

Release Date

Jan 2011

Navi Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

432GB/s

Bandwidth

12.80GB/s

Render Config

60

Compute Units

2

-

3840

Shading Units

160

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.400 GPixel/s

560.4 GTexel/s

Texture Rate

4.800 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

192.0 GFLOPS

1121 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 32

GPU Name

Seymour

Navi 32

GPU Variant

Seymour PRO S3 (216-0809024)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

28.1 billion

Transistors

0.37 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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