Radeon HD 8450G + 8670M Dual vs Mobility Radeon HD 3870 X2

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 8450G + 8670M Dual is positioned at rank 490 and the Mobility Radeon HD 3870 X2 is on rank 689, so the Radeon HD 8450G + 8670M Dual 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 8450G + 8670M Dual

#480

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

2286%

#482

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

2072%

#483

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

2067%

#487

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1879%

#488

Radeon RX 6300

MSRP: $60|Avg: $40

1866%

#490

Radeon HD 8450G + 8670M Dual

MSRP: $100|Avg: $100

100%

#491

Radeon HD 7660G + HD 8670M Dual

MSRP: $150|Avg: $150

100%

#492

Radeon HD 6450A

MSRP: $55|Avg: $15

100%

#493

Radeon HD 7660G + HD 7670M Dual

MSRP: $150|Avg: $150

99%

#494

Radeon HD 7640G + HD 7600M Dual

MSRP: $150|Avg: $50

99%

#495

Radeon HD 7640G + HD 8670M Dual

MSRP: $150|Avg: $35

95%

#496

Radeon HD 8180

MSRP: $30|Avg: $5

95%

#499

Radeon R8 M535DX

MSRP: $150|Avg: $150

94%

#500

Radeon R5 230

MSRP: $50|Avg: $25

93%

#501

GeForce 9300 GE

MSRP: $23|Avg: $25

93%

#502

Mobility Radeon HD 5450

MSRP: $49|Avg: $15

92%

#503

Radeon HD 8650G + 8570M Dual

MSRP: $150|Avg: $30

92%

#504

Mobility Radeon HD 4850

MSRP: $199|Avg: $20

92%

#505

GeForce 800A

MSRP: $100|Avg: $30

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Mobility Radeon HD 3870 X2

#679

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

10242%

#681

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

9285%

#682

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

9260%

#686

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

8421%

#687

Radeon RX 6300

MSRP: $60|Avg: $40

8363%

#689

Mobility Radeon HD 3870 X2

MSRP: $449|Avg: $50

100%

#690

GeForce 9450

MSRP: $100|Avg: $25

99%

#691

GeForce 9800 GX2

MSRP: $599|Avg: $75

96%

#692

GeForce 7900 GS

MSRP: $259|Avg: $50

95%

#693

MOBILITY RADEON X600

MSRP: $50|Avg: $10

94%

#694

Mobility Radeon X2300 HD

MSRP: $50|Avg: $10

92%

#695

Mobility Radeon HD 4250

MSRP: $100|Avg: $15

92%

#696

Mobility Radeon X2300

MSRP: $49|Avg: $15

92%

#697

Mobility Radeon HD 2600 XT

MSRP: $199|Avg: $12

91%

#698

GeForce 8600 GTS

MSRP: $199|Avg: $35

88%

#699

GeForce 8800 GTX

MSRP: $599|Avg: $50

88%

#700

Mobility Radeon HD 3450

MSRP: $100|Avg: $15

86%

#701

GeForce 8800 GTS

MSRP: $449|Avg: $50

86%

#702

GeForce 7650 GS

MSRP: $150|Avg: $15

84%

#703

GeForce 8600M GS

MSRP: $100|Avg: $20

84%

#704

Mobility Radeon X1400

MSRP: $49|Avg: $49

83%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Mobility Radeon HD 3870 X2 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. However, the Radeon HD 8450G + 8670M Dual offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
Performance	❌Lower raw frame rates (-0.6%)	✅Leading raw performance (+0.6%)
Longevity	🛑Obsolete Architecture (2013 / Legacy)	🛑Obsolete Architecture (2008 / TeraScale (2005−2013))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+24900%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

The Mobility Radeon HD 3870 X2 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 3870 X2 holds the technical lead. Priced at $50 (vs $100), it costs 50% less, resulting in a 101.3% higher cost efficiency score.

Insight	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+101.3%)
Upfront Cost	⚠️Higher upfront cost ($100)	✅More affordable ($50)

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 8450G + 8670M Dual Benchmark Check

Mobility Radeon HD 3870 X2 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon HD 8450G + 8670M Dual and Mobility Radeon HD 3870 X2

Radeon HD 8450G + 8670M Dual

The Radeon HD 8450G + 8670M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 475 points.

Mobility Radeon HD 3870 X2

The Mobility Radeon HD 3870 X2 is manufactured by AMD. It was released in September 1 2008. It features the TeraScale architecture. The core clock speed is 660 MHz. It has 320 ×2 shading units. The thermal design power (TDP) is 110W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 478 points.

⚡

Graphics Performance

The Radeon HD 8450G + 8670M Dual scores 475 and the Mobility Radeon HD 3870 X2 reaches 478 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 8450G + 8670M Dual) vs 320 (Mobility Radeon HD 3870 X2).

Feature	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
G3D Mark Score	475	478
Process Node	28 nm	55 nm
Shading Units	768+140%	320 ×2

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
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)

The Radeon HD 8450G + 8670M Dual comes with 512 MB of VRAM, while the Mobility Radeon HD 3870 X2 has 2 MB. The Radeon HD 8450G + 8670M Dual offers 24900% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit.

Feature	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
VRAM Capacity	0.5 GB+24900%	0.002 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit

🔌

Power & Dimensions

The Radeon HD 8450G + 8670M Dual draws 50W versus the Mobility Radeon HD 3870 X2's 110W — a 75% difference. The Radeon HD 8450G + 8670M Dual is more power-efficient. Recommended PSU: 350W (Radeon HD 8450G + 8670M Dual) vs 350W (Mobility Radeon HD 3870 X2). Power connectors: 1x 6-pin vs PCIe-powered.

Feature	Radeon HD 8450G + 8670M Dual	Mobility Radeon HD 3870 X2
TDP	50W-55%	110W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	PCIe-powered
Length	—	1mm
Slots	—	0
Perf/Watt	9.5+121%	4.3

💰

Value Analysis

The Radeon HD 8450G + 8670M Dual launched at $100 MSRP and currently averages $100, while the Mobility Radeon HD 3870 X2 launched at $449 and now averages $50. The Mobility Radeon HD 3870 X2 costs 50% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 4.8 (Radeon HD 8450G + 8670M Dual) vs 9.6 (Mobility Radeon HD 3870 X2) — the Mobility Radeon HD 3870 X2 offers 100% better value. The Radeon HD 8450G + 8670M Dual is the newer GPU (2013 vs 2008).