G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Overview

The Radeon 840M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 256 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 3,803 points.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

FPS Benchmarks

Predicted performance for Radeon 840M across popular games. Tested paired with Ryzen 7 7800X3D to isolate GPU performance.

Technical Analysis

Detailed breakdown of Radeon 840M specifications and capabilities.

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Graphics Performance

The Radeon 840M scores 3,803 in the G3D Mark benchmark (the standard measure of rasterization GPU performance), placing it in the Entry Level tier as a Recent generation graphics card. It is built on the RDNA 3+ (2024) architecture (codename: Krackan Point), manufactured on a 4 nm process— smaller process nodes improve power efficiency and transistor density. It packs 256 shader units (the primary compute units for rendering pixels). Boost clock reaches 2900 MHz.

Specification	Radeon 840M
G3D MarkPassMark 3D graphics benchmark score	3,803
ArchitectureGPU microarchitecture generation	RDNA 3+ (2024)
CodenameInternal GPU die codename	Krackan Point
Manufacturing ProcessFabrication node — smaller = more efficient	4 nm
Shader UnitsCore compute units for rendering/compute	256
Boost ClockMaximum GPU frequency under load	2900 MHz
PCIe InterfaceCPU↔GPU data link generation	IGP
Performance RankPosition in global GPU performance ranking	#516

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Video Memory (VRAM)

The Radeon 840M is equipped with 2 GB of Shared video memory connected via a System memory bus, delivering System of bandwidth.

Specification	Radeon 840M
VRAM SizeVideo memory capacity — more = better for high-res textures	2 GB
VRAM TypeMemory technology generation	Shared
Memory BusWidth of data path — wider = more bandwidth	System
BandwidthMaximum data throughput between GPU and VRAM	System

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Advanced Features & APIs

The Radeon 840M supports modern upscaling and frame generation technologies: Radeon Super Resolution, FidelityFX Super Resolution — these can dramatically boost effective FPS by generating intermediate frames or upscaling from lower internal resolution. Graphics API support: DirectX 12 Ultimate (12_2), Vulkan 1.3, OpenGL 4.6— latest API versions enable the most advanced rendering features like ray tracing and mesh shaders.

Specification	Radeon 840M
FSR Frame Generation	❌ Not Supported
AMD Fluid Motion Frames	❌ Not Supported
Radeon Super Resolution	✅ Supported
FidelityFX Super Resolution	✅ Supported
DirectXMicrosoft graphics API version	12 Ultimate (12_2)
VulkanCross-platform graphics API	1.3
OpenGLLegacy graphics API	4.6
Compute APIGPGPU framework (CUDA/ROCm/OpenCL)	OpenCL 2.1

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Display & Media

Display outputs: DisplayPort 2.1x 0, HDMI 2.1x 1 — supports up to 4 simultaneous displays. Hardware encoder: VCN 4.0, decoder: VCN 4.0— dedicated hardware for video encoding/decoding accelerates streaming, recording, and video playback. Supported codecs: H.264,H.265,AV1,VP9.

Specification	Radeon 840M
0 PortsNumber of 0 display connectors	DisplayPort 2.1x
1 PortsNumber of 1 display connectors	HDMI 2.1x
Max DisplaysMaximum simultaneously connected monitors	4
Hardware EncoderVideo encoding engine version	VCN 4.0
Hardware DecoderVideo decoding engine version	VCN 4.0
CodecsSupported video compression formats	H.264,H.265,AV1,VP9

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Power & Dimensions

The Radeon 840M draws 30W under load (TDP) — a 350W PSU minimum is recommended. Power connector: PCIe-powered. Physical size: , occupying 0 expansion slots— verify your case has clearance before purchasing. Typical temperatures: 40 at idle, 90 under load.

Specification	Radeon 840M
TDPPower consumption under load	30W
Recommended PSUMinimum power supply wattage	350W
Power ConnectorRequired PCIe power cable type	PCIe-powered
Slot WidthExpansion slots occupied	0-slot
Idle TemperatureTypical temperature at desktop idle	40
Load TemperatureTypical temperature under gaming load	90

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

2 categories

Technical Specifications

12 specs

Vram	2 GB
DLSS/FSR	FSR upscaling + RSR
Boost Clock	2900 MHz
Memory Type	Shared
Shading Units	256
Upscaling Tech	AMD FidelityFX Super Resolution (FSR)
PCIe Generation	IGP
Memory Bandwidth	System
Memory Bus Width	System
Frame Generation	FSR Frame Generation: No \| AMD Fluid Motion Frames: No \| Radeon Super Resolution: Yes \| FidelityFX Super Resolution: Yes
Manufacturing Process	4 nm
Driver Upscaling Tech	Radeon Super Resolution (RSR)