AMD Radeon RX Vega 56 Mobile vs NVIDIA GeForce RTX 4090 Mobile

VS

AMD Radeon RX Vega 56 Mobile

NVIDIA GeForce RTX 4090 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 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

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 30% (1695MHz vs 1301MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 409.6GB/s)

6144 additional rendering cores

Lower TDP (80W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile

9.326 TFLOPS

GeForce RTX 4090 Mobile +253%

32.98 TFLOPS

Blender

Radeon RX Vega 56 Mobile

589

GeForce RTX 4090 Mobile +1205%

7692

Radeon RX Vega 56 Mobile

VS

GeForce RTX 4090 Mobile

Graphics Card

Jun 2018

Release Date

Jan 2023

Mobility Radeon

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1138 MHz

Base Clock

1335 MHz

1301 MHz

Boost Clock

1695 MHz

800 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

256bit

409.6GB/s

Bandwidth

576.0GB/s

Render Config

56

Compute Units

-

SM Count

76

3584

Shading Units

9728

224

TMUs

304

64

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

16 KB (per CU)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

64 MB

-

Theoretical Performance

83.26 GPixel/s

Pixel Rate

189.8 GPixel/s

291.4 GTexel/s

Texture Rate

515.3 GTexel/s

18.65 TFLOPS

FP16 (half)

32.98 TFLOPS

9.326 TFLOPS

FP32 (float)

32.98 TFLOPS

582.8 GFLOPS

FP64 (double)

515.3 GFLOPS

Board Design

120W

TDP

80-150W

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Vega 10

GPU Name

AD103

Vega 10 XL (215-0894216)

GPU Variant

GN21-X11

GCN 5.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

12.5 billion

Transistors

45.9 billion

495 mm²

Die Size

379 mm²

Graphics Features

12 (12_1)

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

6.8

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