Radeon 680M vs Radeon 840M

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.

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. The Radeon 680M is positioned at rank 331 and the Radeon 840M is on rank 24, so the Radeon 840M offers better cost-efficiency for playing games.

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

Performance Per Dollar Radeon 680M

#321

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

849%

#323

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

770%

#324

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

767%

#328

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

698%

#329

Radeon RX 6300

MSRP: $60|Avg: $40

693%

#331

Radeon 680M

MSRP: N/A|Avg: $80

100%

#333

GeForce 730A

MSRP: $60|Avg: $20

100%

#334

GeForce GT 745A

MSRP: $99|Avg: $20

97%

#335

GeForce 710A

MSRP: $35|Avg: $62

97%

#336

Radeon HD 8670D + HD 6670 Dual

MSRP: $100|Avg: $10

96%

#338

GeForce MX230

MSRP: $150|Avg: $150

95%

#340

RADEON HD6410D

MSRP: $35|Avg: $5

95%

#341

GeForce 820M

MSRP: N/A|Avg: $30

94%

#342

Radeon R7 M465X

MSRP: $150|Avg: $45

93%

#344

GeForce 830A

MSRP: $100|Avg: $30

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon 840M

#14

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

143%

#16

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

129%

#17

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

129%

#21

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

117%

#22

Radeon RX 6300

MSRP: $60|Avg: $40

117%

#24

Radeon 840M

MSRP: N/A|Avg: N/A

100%

#35

GeForce GTX 960M

MSRP: N/A|Avg: $50

89%

#37

UHD Graphics 730 (Rocket Lake)

MSRP: $50|Avg: $50

87%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon 680M is the superior choice for raw performance. It leads with a 0.9% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 840M.

Insight	Radeon 680M	Radeon 840M
Performance	✅Leading raw performance (+0.9%)	❌Lower raw frame rates (-0.9%)
Longevity	RDNA 2.0 (2020−2025) (6nm)	RDNA 3+ (2024) (4nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

While current pricing data is unavailable, the Radeon 680M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Radeon 680M Benchmark Check

Radeon 840M Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon 680M and Radeon 840M

Radeon 680M

The Radeon 680M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 2000 MHz to 2200 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 6 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 3,836 points.

Radeon 840M

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.

⚡

Graphics Performance

The Radeon 680M scores 3,836 and the Radeon 840M reaches 3,803 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. The Radeon 680M is built on RDNA 2.0 while the Radeon 840M uses RDNA 3+, both on 6 nm vs 4 nm. Shader units: 768 (Radeon 680M) vs 256 (Radeon 840M). Boost clocks: 2200 MHz vs 2900 MHz.

Feature	Radeon 680M	Radeon 840M
G3D Mark Score	3,836	3,803
Architecture	RDNA 2.0	RDNA 3+
Process Node	6 nm	4 nm
Shading Units	768+200%	256
Boost Clock	2200 MHz	2900 MHz+32%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon 680M	Radeon 840M
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 2 GB of Shared. Bus width: System vs System.

Feature	Radeon 680M	Radeon 840M
VRAM Capacity	2 GB	2 GB
Memory Type	Shared	Shared
Memory Bandwidth	System	System
Bus Width	System	System

🖥️

Display & API Support

DirectX support: 12_2 (Radeon 680M) vs 12 Ultimate (12_2) (Radeon 840M). Maximum simultaneous displays: 0 vs 4.

Feature	Radeon 680M	Radeon 840M
DirectX	12_2	12 Ultimate (12_2)
Max Displays	0	4

🎬

Media & Encoding

Hardware encoder: VCN 3.1 (Radeon 680M) vs VCN 4.0 (Radeon 840M). Decoder: VCN 3.1 vs VCN 4.0.

Feature	Radeon 680M	Radeon 840M
Encoder	VCN 3.1	VCN 4.0
Decoder	VCN 3.1	VCN 4.0
Codecs	—	H.264,H.265,AV1,VP9

🔌

Power & Dimensions

The Radeon 680M draws 50W versus the Radeon 840M's 30W — a 50% difference. The Radeon 840M is more power-efficient. Recommended PSU: 350W (Radeon 680M) vs 350W (Radeon 840M). Power connectors: PCIe-powered vs PCIe-powered.