AMD Radeon RX 6450M vs NVIDIA GeForce RTX 5070 Ti Mobile

VS

AMD Radeon RX 6450M

NVIDIA GeForce RTX 5070 Ti Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 12GB VRAM GeForce RTX 5070 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Lower TDP (50W vs 140W)

NVIDIA GeForce RTX 5070 Ti Mobile 's Advantages

Released 2 years late

Boost Clock has increased by 2% (2520MHz vs 2460MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (760.8GB/s vs 128.0GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M

3.779 TFLOPS

GeForce RTX 5070 Ti Mobile +753%

32.26 TFLOPS

Radeon RX 6450M

VS

GeForce RTX 5070 Ti Mobile

Graphics Card

Jan 2023

Release Date

Jan 2025

Navi Mobile

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 5.0 x16

Clock Speeds

2000 MHz

Base Clock

2235 MHz

2460 MHz

Boost Clock

2520 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

12GB

GDDR6

Memory Type

GDDR7

64bit

Memory Bus

192bit

128.0GB/s

Bandwidth

760.8GB/s

Render Config

12

Compute Units

-

SM Count

50

768

Shading Units

6400

48

TMUs

200

32

ROPs

64

-

Tensor Cores

200

12

RT Cores

50

128 KB per Array

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

40 MB

16 MB

L3 Cache

-

Theoretical Performance

78.72 GPixel/s

Pixel Rate

161.3 GPixel/s

118.1 GTexel/s

Texture Rate

504.0 GTexel/s

7.557 TFLOPS

FP16 (half)

32.26 TFLOPS

3.779 TFLOPS

FP32 (float)

32.26 TFLOPS

236.2 GFLOPS

FP64 (double)

504.0 GFLOPS

Board Design

50W

TDP

140W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GB205

Navi 24 XML

GPU Variant

GB205

RDNA 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

4 nm

5.4 billion

Transistors

Unknown

107 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

10.1

6.7

Shader Model

6.8

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