
GeForce 8400 SE
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Radeon X1550
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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. The GeForce 8400 SE is positioned at rank #680 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 8400 SE
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 8400 SE is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon X1550.
| Insight | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2017 / GCN 4.0 (2016−2020)) |
| 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 | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce 8400 SE offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 8400 SE holds the technical lead. Priced at $10 (vs $49), it costs 80% less, resulting in a 397.3% higher cost efficiency score.
| Insight | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+397.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($10) | ⚠️Higher upfront cost ($49) |
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 GeForce 8400 SE and Radeon X1550

GeForce 8400 SE
The GeForce 8400 SE 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: 68 points.

Radeon X1550
The Radeon X1550 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1183 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 67 points. Launch price was $79.
Graphics Performance
The GeForce 8400 SE scores 68 and the Radeon X1550 reaches 67 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 8400 SE is built on Maxwell while the Radeon X1550 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce 8400 SE) vs 512 (Radeon X1550). Raw compute: 0.8632 TFLOPS (GeForce 8400 SE) vs 1.211 TFLOPS (Radeon X1550). Boost clocks: 1124 MHz vs 1183 MHz.
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| G3D Mark Score | 68+1% | 67 |
| Architecture | Maxwell | GCN 4.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 384 | 512+33% |
| Compute (TFLOPS) | 0.8632 TFLOPS | 1.211 TFLOPS+40% |
| Boost Clock | 1124 MHz | 1183 MHz+5% |
| ROPs | 8 | 16+100% |
| TMUs | 16 | 32+100% |
| L1 Cache | 192 KB+50% | 128 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| 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 64-bit. L2 Cache: 1 MB (GeForce 8400 SE) vs 0.25 MB (Radeon X1550) — the GeForce 8400 SE has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 11.1 (10_0) (GeForce 8400 SE) vs 9_0c (Radeon X1550). Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| DirectX | 11.1 (10_0)+23% | 9_0c |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: None (GeForce 8400 SE) vs Avivo (Radeon X1550). Decoder: VP2 vs Avivo.
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| Encoder | None | Avivo |
| Decoder | VP2 | Avivo |
| Codecs | H.264,MPEG-2,VC-1 | — |
Power & Dimensions
The GeForce 8400 SE draws 33W versus the Radeon X1550's 50W — a 41% difference. The GeForce 8400 SE is more power-efficient. Recommended PSU: 350W (GeForce 8400 SE) vs 350W (Radeon X1550). Power connectors: Legacy vs PCIe-powered. Card length: 168mm vs 168mm, occupying 1 vs 1 slots.
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| TDP | 33W-34% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 168mm | 168mm |
| Height | 69mm | — |
| Slots | 1 | 1 |
| Temp (Load) | 85 | — |
| Perf/Watt | 2.1+62% | 1.3 |
Value Analysis
The GeForce 8400 SE launched at $50 MSRP and currently averages $10, while the Radeon X1550 launched at $0 and now averages $49. The GeForce 8400 SE costs 79.6% less ($39 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.8 (GeForce 8400 SE) vs 1.4 (Radeon X1550) — the GeForce 8400 SE offers 385.7% better value. The Radeon X1550 is the newer GPU (2017 vs 2014).
| Feature | GeForce 8400 SE | Radeon X1550 |
|---|---|---|
| MSRP | $50 | $0-100% |
| Avg Price (30d) | $10-80% | $49 |
| Performance per Dollar | 6.8+386% | 1.4 |
| Codename | GM108 | Lexa |
| Release | March 17 2014 | April 20 2017 |
| Ranking | #850 | #668 |
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