Radeon HD 7520G + HD 7400M Dual vs Mobility Radeon HD 3870

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 HD 7520G + HD 7400M Dual is positioned at rank 551 and the Mobility Radeon HD 3870 is on rank 509, so the Mobility Radeon HD 3870 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 HD 7520G + HD 7400M Dual

#540

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

2991%

#542

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

2711%

#543

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

2704%

#547

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

2459%

#548

Radeon RX 6300

MSRP: $60|Avg: $40

2442%

#550

Radeon HD 7600G + HD 8670M Dual

MSRP: $150|Avg: $30

100%

#551

Radeon HD 7520G + HD 7400M Dual

MSRP: $150|Avg: $72

100%

#552

Radeon R5 M255

MSRP: $150|Avg: $30

100%

#553

Mobility Radeon HD 530v

MSRP: $49|Avg: $15

98%

#554

Mobility Radeon HD 565v

MSRP: $99|Avg: $20

98%

#555

Radeon HD 8550G + HD 8570M Dual

MSRP: $150|Avg: $150

97%

#557

Radeon HD 7640G + HD 7670M Dual

MSRP: $150|Avg: $30

95%

#558

Radeon HD 8690A

MSRP: $150|Avg: $150

94%

#559

Radeon HD 7600G + HD 7550M Dual

MSRP: $150|Avg: $150

93%

#560

Radeon HD 7620G + HD 8670M Dual

MSRP: $150|Avg: $150

93%

#561

Radeon HD 8450G + HD 8750M Dual

MSRP: $150|Avg: $150

93%

#562

GeForce 9200

MSRP: $50|Avg: $15

93%

#563

Radeon R7 M265DX

MSRP: $149|Avg: $40

92%

#564

Radeon R9 M375

MSRP: $300|Avg: $300

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Mobility Radeon HD 3870

#499

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

2555%

#501

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

2316%

#502

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

2310%

#506

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

2100%

#507

Radeon RX 6300

MSRP: $60|Avg: $40

2086%

#509

Mobility Radeon HD 3870

MSRP: $129|Avg: $15

100%

#510

GeForce 9800 S

MSRP: $150|Avg: $40

100%

#511

Radeon HD 8650G + HD 7670M Dual

MSRP: $150|Avg: $40

100%

#512

Radeon HD 8650G + 8670M Dual

MSRP: $150|Avg: $30

100%

#513

Radeon HD 8510G + HD 8500M Dual

MSRP: $150|Avg: $30

99%

#514

Radeon HD 7660D

MSRP: $122|Avg: $15

99%

#515

Radeon HD 8650G + 8500M Dual

MSRP: $150|Avg: $30

98%

#516

Mobility Radeon HD 5870 Crossfire

MSRP: $800|Avg: $150

97%

#517

GeForce 8200

MSRP: $40|Avg: $5

96%

#518

Mobility Radeon HD 545v

MSRP: $49|Avg: $15

96%

#519

GeForce 9500M G

MSRP: $30|Avg: $30

96%

#520

Radeon HD 7640G + HD 8500M Dual

MSRP: $150|Avg: $50

95%

#521

Radeon HD 8650G + HD 8600M Dual

MSRP: $150|Avg: $35

95%

#522

Radeon HD 8550G + 8500M Dual

MSRP: $150|Avg: $150

95%

#523

Radeon HD 8610G + 8670M Dual

MSRP: $150|Avg: $150

94%

#524

Radeon HD 7640G + HD 8750M Dual

MSRP: $250|Avg: $40

94%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Mobility Radeon HD 3870 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7520G + HD 7400M Dual.

Insight	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
Performance	❌Lower raw frame rates (-0.6%)	✅Leading raw performance (+0.6%)
Longevity	🛑Obsolete Architecture (2013 / Legacy)	🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	Normal Efficiency	Normal Efficiency
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

The Mobility Radeon HD 3870 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 3870 holds the technical lead. Priced at $15 (vs $72), it costs 79% less, resulting in a 382.6% higher cost efficiency score.

Insight	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+382.6%)
Upfront Cost	⚠️Higher upfront cost ($72)	✅More affordable ($15)

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 HD 7520G + HD 7400M Dual Benchmark Check

Mobility Radeon HD 3870 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon HD 7520G + HD 7400M Dual and Mobility Radeon HD 3870

Radeon HD 7520G + HD 7400M Dual

The Radeon HD 7520G + HD 7400M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 825 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 545 points.

Mobility Radeon HD 3870

The Mobility Radeon HD 3870 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 548 points.

⚡

Graphics Performance

The Radeon HD 7520G + HD 7400M Dual scores 545 and the Mobility Radeon HD 3870 reaches 548 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. Shader units: 640 (Radeon HD 7520G + HD 7400M Dual) vs 800 (Mobility Radeon HD 3870).

Feature	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
G3D Mark Score	545	548
Process Node	28 nm	40 nm
Shading Units	640	800+25%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
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 512 MB of GDDR5. Bus width: 128-bit vs 128-bit.

Feature	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit

🔌

Power & Dimensions

The Radeon HD 7520G + HD 7400M Dual draws 50W versus the Mobility Radeon HD 3870's 50W — a 0% difference. The Mobility Radeon HD 3870 is more power-efficient. Recommended PSU: 350W (Radeon HD 7520G + HD 7400M Dual) vs 350W (Mobility Radeon HD 3870). Power connectors: 1x 6-pin vs PCIe-powered.

Feature	Radeon HD 7520G + HD 7400M Dual	Mobility Radeon HD 3870
TDP	50W	50W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	PCIe-powered
Length	—	1mm
Slots	—	0
Perf/Watt	10.9	11.0

💰

Value Analysis

The Radeon HD 7520G + HD 7400M Dual launched at $150 MSRP and currently averages $72, while the Mobility Radeon HD 3870 launched at $129 and now averages $15. The Mobility Radeon HD 3870 costs 79.2% less ($57 savings) at current market prices. Performance per dollar (G3D Mark / price): 7.6 (Radeon HD 7520G + HD 7400M Dual) vs 36.5 (Mobility Radeon HD 3870) — the Mobility Radeon HD 3870 offers 380.3% better value. The Radeon HD 7520G + HD 7400M Dual is the newer GPU (2013 vs 2010).