NVIDIA GeForce RTX 4080 Max-Q vs AMD Radeon HD 6450M

VS

NVIDIA GeForce RTX 4080 Max-Q

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 12 years late

Boost Clock1350MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 12.80GB/s)

7264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Max Q +10337%

20.04 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

GeForce RTX 4080 Max Q

VS

Radeon HD 6450M

Graphics Card

Jan 2023

Release Date

Jan 2011

GeForce 40 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

795 MHz

Base Clock

-

1350 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

336.0GB/s

Bandwidth

12.80GB/s

Render Config

-

Compute Units

2

58

SM Count

-

7424

Shading Units

160

232

TMUs

8

80

ROPs

4

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

48 MB

L2 Cache

128 KB

-

Theoretical Performance

108.0 GPixel/s

Pixel Rate

2.400 GPixel/s

313.2 GTexel/s

Texture Rate

4.800 GTexel/s

20.04 TFLOPS

FP16 (half)

-

20.04 TFLOPS

FP32 (float)

192.0 GFLOPS

313.2 GFLOPS

FP64 (double)

-

Board Design

60W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD104

GPU Name

Seymour

GN21-X9

GPU Variant

Seymour PRO S3 (216-0809024)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

35.8 billion

Transistors

0.37 billion

295 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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