GeForce 8400 GS vs Radeon HD 3650 AGP

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 GeForce 8400 GS is positioned at rank 461 and the Radeon HD 3650 AGP is on rank 650, so the GeForce 8400 GS 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 GeForce 8400 GS

#450

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1999%

#452

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1813%

#453

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1808%

#457

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1644%

#458

Radeon RX 6300

MSRP: $60|Avg: $40

1633%

#460

Mobility Radeon HD 550v

MSRP: $49|Avg: $15

100%

#461

GeForce 8400 GS

MSRP: $30|Avg: $30

100%

#462

Radeon HD 8280G

MSRP: $50|Avg: $50

99%

#463

Radeon R7 M340

MSRP: $120|Avg: $35

99%

#464

Qualcomm Adreno 690 GPU

MSRP: $200|Avg: $100

99%

#465

Radeon HD 8650G + HD 8790M Dual

MSRP: $150|Avg: $45

98%

#466

Radeon HD 8550G + 8570M Dual

MSRP: $100|Avg: $100

98%

#467

Radeon R5 M230

MSRP: $80|Avg: $25

98%

#468

Radeon R9 M275X / M375

MSRP: $300|Avg: $300

97%

#469

Radeon HD 8650G + 8750M Dual

MSRP: $150|Avg: $30

97%

#470

Radeon R9 M370X

MSRP: $300|Avg: $100

96%

#471

Radeon HD 8280

MSRP: $50|Avg: $50

96%

#472

GeForce GTX 850A

MSRP: $150|Avg: $50

94%

#473

Radeon HD 8650G + HD 8600/8700M Dual

MSRP: $150|Avg: $150

94%

#474

Mobility Radeon HD 5730

MSRP: $100|Avg: $20

94%

#475

Radeon R7 A10-7700K

MSRP: $152|Avg: $118

94%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon HD 3650 AGP

#638

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

5775%

#640

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

5235%

#641

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

5221%

#645

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

4748%

#646

Radeon RX 6300

MSRP: $60|Avg: $40

4715%

#648

GeForce 9400M G

MSRP: $50|Avg: $10

100%

#649

Mobility Radeon X1600

MSRP: $49|Avg: $15

100%

#650

Radeon HD 3650 AGP

MSRP: $80|Avg: $20

100%

#651

GeForce 9600M GS

MSRP: $70|Avg: $20

99%

#652

Mobility Radeon HD 4200

MSRP: $49|Avg: $45

99%

#653

Mobility Radeon HD 3470

MSRP: $50|Avg: $10

99%

#654

GeForce 8800 GT

MSRP: $249|Avg: $25

98%

#655

GeForce 8400

MSRP: $45|Avg: $5

96%

#656

GeForce 9800M GTS

MSRP: $200|Avg: $15

95%

#657

Radeon HD 7520G + HD 7600M Dual

MSRP: $250|Avg: $50

95%

#658

GeForce 8600 GS

MSRP: $100|Avg: $15

95%

#659

Radeon HD 2900 GT

MSRP: $170|Avg: $15

91%

#660

Radeon HD 8280E

MSRP: $150|Avg: $110

91%

#661

Radeon R5 M420

MSRP: $300|Avg: $300

89%

#662

Mobility Radeon HD 2600

MSRP: $100|Avg: $30

89%

#663

Radeon HD 8550G + 8690M Dual

MSRP: $400|Avg: $400

88%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce 8400 GS is the superior choice for raw performance. It leads with a 8.7% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 3650 AGP.

Insight	GeForce 8400 GS	Radeon HD 3650 AGP
Performance	✅Leading raw performance (+8.7%)	❌Lower raw frame rates (-8.7%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

The Radeon HD 3650 AGP offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 3650 AGP holds the technical lead. Priced at $20 (vs $30), it costs 33% less, resulting in a 38% higher cost efficiency score.

Insight	GeForce 8400 GS	Radeon HD 3650 AGP
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+38%)
Upfront Cost	⚠️Higher upfront cost ($30)	✅More affordable ($20)

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.

GeForce 8400 GS Benchmark Check

Radeon HD 3650 AGP Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce 8400 GS and Radeon HD 3650 AGP

GeForce 8400 GS

The GeForce 8400 GS is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 163 points.

Radeon HD 3650 AGP

The Radeon HD 3650 AGP is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 150 points.

⚡

Graphics Performance

In G3D Mark, the GeForce 8400 GS scores 163 versus the Radeon HD 3650 AGP's 150 — the GeForce 8400 GS leads by 8.7%. The GeForce 8400 GS is built on Maxwell while the Radeon HD 3650 AGP uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce 8400 GS) vs 480 (Radeon HD 3650 AGP). Raw compute: 0.8632 TFLOPS (GeForce 8400 GS) vs 0.576 TFLOPS (Radeon HD 3650 AGP).

Feature	GeForce 8400 GS	Radeon HD 3650 AGP
G3D Mark Score	163+9%	150
Architecture	Maxwell	TeraScale 2
Process Node	28 nm	40 nm
Shading Units	384	480+25%
Compute (TFLOPS)	0.8632 TFLOPS+50%	0.576 TFLOPS
ROPs	8	8
TMUs	16	24+50%
L1 Cache	192 KB+300%	48 KB
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 8400 GS	Radeon HD 3650 AGP
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 1 MB (GeForce 8400 GS) vs 0.25 MB (Radeon HD 3650 AGP) — the GeForce 8400 GS has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 8400 GS	Radeon HD 3650 AGP
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+300%	0.25 MB

🔌

Power & Dimensions

The GeForce 8400 GS draws 33W versus the Radeon HD 3650 AGP's 45W — a 30.8% difference. The GeForce 8400 GS is more power-efficient. Recommended PSU: 350W (GeForce 8400 GS) vs 350W (Radeon HD 3650 AGP). Power connectors: Legacy vs 1x 6-pin.

Feature	GeForce 8400 GS	Radeon HD 3650 AGP
TDP	33W-27%	45W
Recommended PSU	350W	350W
Power Connector	Legacy	1x 6-pin
Length	170mm	—
Height	106mm	—
Slots	1	—
Temp (Load)	65°C	—
Perf/Watt	4.9+48%	3.3

💰

Value Analysis

The GeForce 8400 GS launched at $30 MSRP and currently averages $30, while the Radeon HD 3650 AGP launched at $80 and now averages $20. The Radeon HD 3650 AGP costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.4 (GeForce 8400 GS) vs 7.5 (Radeon HD 3650 AGP) — the Radeon HD 3650 AGP offers 38.9% better value. The GeForce 8400 GS is the newer GPU (2014 vs 2011).