GeForce 7800 GTX vs Radeon HD 8400
GeForce 7800 GTX
Popular choices:
Radeon HD 8400
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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. Components placed above yours deliver better value for money. The GeForce 7800 GTX is positioned at rank 722 and the Radeon HD 8400 is on rank 142, so the Radeon HD 8400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 7800 GTX
Performance Per Dollar Radeon HD 8400
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8400 is the superior choice for raw performance. It leads with a 1.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 7800 GTX.
| Insight | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.1%) | ✅Leading raw performance (+1.1%) |
| Longevity | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| 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 | — |
💎 Value Proposition
The Radeon HD 8400 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 8400 holds the technical lead. Priced at $5 (vs $40), it costs 88% less, resulting in a 709% higher cost efficiency score.
| Insight | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+709%) |
| Upfront Cost | ⚠️Higher upfront cost ($40) | ✅More affordable ($5) |
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 7800 GTX and Radeon HD 8400
GeForce 7800 GTX
The GeForce 7800 GTX is manufactured by NVIDIA. It was released in July 15 2008. It features the G9x architecture. The core clock speed is 500 MHz. It has 224 shading units. The thermal design power (TDP) is 150W. Manufactured using 65 nm process technology. G3D Mark benchmark score: 268 points.
Radeon HD 8400
The Radeon HD 8400 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 271 points. Launch price was $349.
Graphics Performance
The GeForce 7800 GTX scores 268 and the Radeon HD 8400 reaches 271 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The GeForce 7800 GTX is built on G9x while the Radeon HD 8400 uses GCN 1.0, both on 65 nm vs 28 nm. Shader units: 224 (GeForce 7800 GTX) vs 1,280 (Radeon HD 8400).
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| G3D Mark Score | 268 | 271+1% |
| Architecture | G9x | GCN 1.0 |
| Process Node | 65 nm | 28 nm |
| Shading Units | 224 | 1280+471% |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 512 MB of GDDR5. Bus width: 64-bit vs 128-bit.
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
Display & API Support
DirectX support: 9.0c (GeForce 7800 GTX) vs 11.1 (Radeon HD 8400). OpenGL: 2.1 vs 4.6. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| DirectX | 9.0c | 11.1+23% |
| OpenGL | 2.1 | 4.6+119% |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: No (GeForce 7800 GTX) vs VCE 2.0 (Radeon HD 8400). Decoder: PureVideo vs UVD 4.2. Supported codecs: MPEG-2 (GeForce 7800 GTX) vs H.264,MPEG-2,VC-1,MPEG-4 (Radeon HD 8400).
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| Encoder | No | VCE 2.0 |
| Decoder | PureVideo | UVD 4.2 |
| Codecs | MPEG-2 | H.264,MPEG-2,VC-1,MPEG-4 |
Power & Dimensions
The GeForce 7800 GTX draws 150W versus the Radeon HD 8400's 200W — a 28.6% difference. The GeForce 7800 GTX is more power-efficient. Recommended PSU: 350W (GeForce 7800 GTX) vs 350W (Radeon HD 8400). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 85°C vs 75.
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| TDP | 150W-25% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 228mm | — |
| Height | 111mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 85°C | 75-12% |
| Perf/Watt | 1.8+29% | 1.4 |
Value Analysis
The GeForce 7800 GTX launched at $599 MSRP and currently averages $40, while the Radeon HD 8400 launched at $30 and now averages $5. The Radeon HD 8400 costs 87.5% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.7 (GeForce 7800 GTX) vs 54.2 (Radeon HD 8400) — the Radeon HD 8400 offers 709% better value. The Radeon HD 8400 is the newer GPU (2012 vs 2008).
| Feature | GeForce 7800 GTX | Radeon HD 8400 |
|---|---|---|
| MSRP | $599 | $30-95% |
| Avg Price (30d) | $40 | $5-88% |
| Performance per Dollar | 6.7 | 54.2+709% |
| Codename | NB9E-GTX | Pitcairn |
| Release | July 15 2008 | March 5 2012 |
| Ranking | #825 | #460 |
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