AMD Radeon RX 6850M XT vs NVIDIA DGX Spark (MediaTek AHJ11488B)

GPU · Specs Compare

GPU AMD Radeon RX 6850M XT AMD · 2022-01

GPU NVIDIA DGX Spark (MediaTek AHJ11488B) NVIDIA · 2025-10

Graphics Card

Release Date

Jan 2022

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Generation

Navi Mobile

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Type

Mobile

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Bus Interface

PCIe 4.0 x16

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Clock Speeds

Base Clock

2321 MHz

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Boost Clock

2581 MHz

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Memory Clock

2250 MHz

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Memory

Memory Size

12GB

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Memory Type

GDDR6

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Memory Bus

192bit

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Bandwidth

432.0GB/s

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Render Config

Compute Units

—

Shading Units

2560

—

TMUs

160

—

ROPs

—

RT Cores

—

L1 Cache

128 KB per Array

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L2 Cache

3 MB

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L3 Cache

96 MB

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Theoretical Performance

Pixel Rate

165.2 GPixel/s

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Texture Rate

413.0 GTexel/s

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FP16 (half)

26.43 TFLOPS

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FP32 (float)

13.21 TFLOPS

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FP64 (double)

825.9 GFLOPS

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Graphics Processor

GPU Name

Navi 22

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GPU Variant

Navi 22 XTM

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Architecture

RDNA 2.0

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Foundry

TSMC

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Process Size

7 nm

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Transistors

17.2 billion

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Die Size

335 mm²

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Board Design

TDP

165W

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Outputs

Portable Device Dependent

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Power Connectors

None

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Graphics Features

DirectX

12 Ultimate (12_2)

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OpenGL

4.6

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OpenCL

2.1

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Vulkan

1.3

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Shader Model

6.8

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General Parameters

Release Date

—

Oct 2025

Type

—

Laptop

Core Architecture

—

N1X

Integrated Graphics

—

GB20B "Blackwell"

Generation

—

RTX Spark (GB10 (N1X))

Package

Manufacturing Process

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3 nm

Power Consumption

—

140 W

Foundry

—

TSMC

Die Size

—

208 mm²

Package

—

FC-BGA

CPU Performance

Performance Core Base Frequency

—

2.8 GHz

Performance Core Turbo Frequency

—

4 GHz

Efficiency Core Base Frequency

—

1.5 GHz

Efficiency Core Turbo Frequency

—

2.8 GHz

Total Core Count

—

Total Thread Count

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Bus Frequency

—

100 MHz

Multiplier

—

28.0

L1 Cache

—

128 KB per core

L2 Cache

—

2 MB per core

L3 Cache

—

8 MB shared

Unlocked Multiplier

—

SMP

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Memory Parameters

Memory Types

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LPDDR5X-8533

Max Memory Channels

—

Max Memory Bandwidth

—

273.1 GB/s

ECC Memory Support

—

Miscellaneous

PCIe Version

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▲ Specs Compare Data sourced from official specifications and benchmark tests.