CPU
GPU
Radeon HD 3650 AGP
Popular choices:
GeForce 8400 GS
Popular choices:
Performance Spectrum - GPU
About G3D Mark
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 3650 AGP is positioned at rank 650 and the GeForce 8400 GS is on rank 461, so the GeForce 8400 GS offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 3650 AGP
Performance Per Dollar GeForce 8400 GS
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 | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| Performance | ❌Lower raw frame rates (-8.7%) | ✅Leading raw performance (+8.7%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| 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
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 | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+38%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($30) |
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.
Technical Specifications
Side-by-side comparison of Radeon HD 3650 AGP and GeForce 8400 GS
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.
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.
Graphics Performance
In G3D Mark, the Radeon HD 3650 AGP scores 150 versus the GeForce 8400 GS's 163 — the GeForce 8400 GS leads by 8.7%. The Radeon HD 3650 AGP is built on TeraScale 2 while the GeForce 8400 GS uses Maxwell, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 3650 AGP) vs 384 (GeForce 8400 GS). Raw compute: 0.576 TFLOPS (Radeon HD 3650 AGP) vs 0.8632 TFLOPS (GeForce 8400 GS).
| Feature | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| G3D Mark Score | 150 | 163+9% |
| Architecture | TeraScale 2 | Maxwell |
| Process Node | 40 nm | 28 nm |
| Shading Units | 480+25% | 384 |
| Compute (TFLOPS) | 0.576 TFLOPS | 0.8632 TFLOPS+50% |
| ROPs | 8 | 8 |
| TMUs | 24+50% | 16 |
| L1 Cache | 48 KB | 192 KB+300% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (Radeon HD 3650 AGP) vs 1 MB (GeForce 8400 GS) — the GeForce 8400 GS has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Power & Dimensions
The Radeon HD 3650 AGP draws 45W versus the GeForce 8400 GS's 33W — a 30.8% difference. The GeForce 8400 GS is more power-efficient. Recommended PSU: 350W (Radeon HD 3650 AGP) vs 350W (GeForce 8400 GS). Power connectors: 1x 6-pin vs Legacy.
| Feature | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| TDP | 45W | 33W-27% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Legacy |
| Length | — | 170mm |
| Height | — | 106mm |
| Slots | — | 1 |
| Temp (Load) | — | 65°C |
| Perf/Watt | 3.3 | 4.9+48% |
Value Analysis
The Radeon HD 3650 AGP launched at $80 MSRP and currently averages $20, while the GeForce 8400 GS launched at $30 and now averages $30. The Radeon HD 3650 AGP costs 33.3% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 7.5 (Radeon HD 3650 AGP) vs 5.4 (GeForce 8400 GS) — the Radeon HD 3650 AGP offers 38.9% better value. The GeForce 8400 GS is the newer GPU (2014 vs 2011).
| Feature | Radeon HD 3650 AGP | GeForce 8400 GS |
|---|---|---|
| MSRP | $80 | $30-63% |
| Avg Price (30d) | $20-33% | $30 |
| Performance per Dollar | 7.5+39% | 5.4 |
| Codename | Onega | GM108 |
| Release | April 19 2011 | March 17 2014 |
| Ranking | #926 | #850 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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