NVIDIA RTX Spark (MediaTek AHJ11488B) vs AMD Radeon RX 640 Mobile

GPU · Specs Compare

GPU NVIDIA RTX Spark (MediaTek AHJ11488B) NVIDIA · 2026-01

GPU AMD Radeon RX 640 Mobile AMD · 2019-05

General Parameters

Release Date

Jan 2026

—

Type

Laptop

—

Core Architecture

N1X

—

Integrated Graphics

GB20B "Blackwell"

—

Generation

Spark (GB10)

—

Package

Manufacturing Process

3 nm

—

Power Consumption

64 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

1500 MHz

—

Efficiency Core Turbo Frequency

2.8 GHz

—

Total Core Count

—

Total Thread Count

—

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

—

Memory Parameters

Memory Types

LPDDR5X-8533

—

Max Memory Channels

—

Max Memory Bandwidth

273.1 GB/s

—

ECC Memory Support

—

Miscellaneous

PCIe Version

—

Graphics Card

Release Date

—

May 2019

Generation

—

Mobility Radeon

Type

—

Mobile

Bus Interface

—

PCIe 3.0 x8

Clock Speeds

Base Clock

—

1082 MHz

Boost Clock

—

1218 MHz

Memory Clock

—

1500 MHz

Memory

Memory Size

—

2GB

Memory Type

—

GDDR5

Memory Bus

—

64bit

Bandwidth

—

48.00GB/s

Render Config

Compute Units

—

Shading Units

—

640

TMUs

—

ROPs

—

L1 Cache

—

16 KB (per CU)

L2 Cache

—

512 KB

Theoretical Performance

Pixel Rate

—

19.49 GPixel/s

Texture Rate

—

48.72 GTexel/s

FP16 (half)

—

1.559 TFLOPS

FP32 (float)

—

1.559 TFLOPS

FP64 (double)

—

97.44 GFLOPS

Graphics Processor

GPU Name

—

Polaris 23

GPU Variant

—

Polaris 23 XT

Architecture

—

GCN 4.0

Foundry

—

GlobalFoundries

Process Size

—

14 nm

Transistors

—

2.2 billion

Die Size

—

103 mm²

Board Design

TDP

—

50W

Outputs

—

No outputs

Power Connectors

—

None

Graphics Features

DirectX

—

12 (12_0)

OpenGL

—

4.6

OpenCL

—

2.1

Vulkan

—

1.2

Shader Model

—

6.4

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