AMD Radeon RX 460 Mobile vs NVIDIA GeForce RTX 4090 Mobile

VS

AMD Radeon RX 460 Mobile NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 Mobile and 16GB VRAM GeForce RTX 4090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 Mobile 's Advantages

Lower TDP (55W vs 120W)

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 44% (1695MHz vs 1180MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 80.00GB/s)

8832 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 Mobile

2.115 TFLOPS

GeForce RTX 4090 Mobile +1459%

32.98 TFLOPS

Radeon RX 460 Mobile

VS

GeForce RTX 4090 Mobile

Graphics Card

Aug 2016

Release Date

Jan 2023

Mobility Radeon

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

1335 MHz

1180 MHz

Boost Clock

1695 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

80.00GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

76

14

Compute Units

-

896

Shading Units

9728

56

TMUs

304

16

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

64 MB

Theoretical Performance

18.88 GPixel/s

Pixel Rate

189.8 GPixel/s

66.08 GTexel/s

Texture Rate

515.3 GTexel/s

2.115 TFLOPS

FP16 (half)

32.98 TFLOPS

2.115 TFLOPS

FP32 (float)

32.98 TFLOPS

132.2 GFLOPS

FP64 (double)

515.3 GFLOPS

Graphics Processor

Baffin

GPU Name

AD103

Baffin XT

GPU Variant

GN21-X11

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

3 billion

Transistors

45.9 billion

123 mm²

Die Size

379 mm²

Board Design

55W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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