Radeon HD 8400E vs GeForce Go 7900 GTX
Radeon HD 8400E
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GeForce Go 7900 GTX
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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 Radeon HD 8400E is positioned at rank 140 and the GeForce Go 7900 GTX is on rank 218, so the Radeon HD 8400E 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 8400E
Performance Per Dollar GeForce Go 7900 GTX
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 8400E is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score and 100% more VRAM (512 MB vs 256 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce Go 7900 GTX.
| Insight | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| Performance | ✅Leading raw performance (+2.2%) | ❌Lower raw frame rates (-2.2%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 8400E remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 8400E and GeForce Go 7900 GTX
Radeon HD 8400E
The Radeon HD 8400E 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: 276 points. Launch price was $349.
GeForce Go 7900 GTX
The GeForce Go 7900 GTX is manufactured by NVIDIA. It was released in June 2 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 1000 MHz to 1075 MHz. It has 2816 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 270 points. Launch price was $649.
Graphics Performance
The Radeon HD 8400E scores 276 and the GeForce Go 7900 GTX reaches 270 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Radeon HD 8400E is built on GCN 1.0 while the GeForce Go 7900 GTX uses Maxwell 2.0, both on a 28 nm process. Shader units: 1,280 (Radeon HD 8400E) vs 2,816 (GeForce Go 7900 GTX). Raw compute: 2.56 TFLOPS (Radeon HD 8400E) vs 6.06 TFLOPS (GeForce Go 7900 GTX).
| Feature | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| G3D Mark Score | 276+2% | 270 |
| Architecture | GCN 1.0 | Maxwell 2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1280 | 2816+120% |
| Compute (TFLOPS) | 2.56 TFLOPS | 6.06 TFLOPS+137% |
| ROPs | 32 | 96+200% |
| TMUs | 80 | 176+120% |
| L1 Cache | 0.31 MB | 1 MB+223% |
| L2 Cache | 0.5 MB | 3 MB+500% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon HD 8400E comes with 512 MB of VRAM, while the GeForce Go 7900 GTX has 256 MB. The Radeon HD 8400E offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.5 MB (Radeon HD 8400E) vs 3 MB (GeForce Go 7900 GTX) — the GeForce Go 7900 GTX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.5 MB | 3 MB+500% |
Power & Dimensions
The Radeon HD 8400E draws 200W versus the GeForce Go 7900 GTX's 250W — a 22.2% difference. The Radeon HD 8400E is more power-efficient. Recommended PSU: 350W (Radeon HD 8400E) vs 350W (GeForce Go 7900 GTX). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| TDP | 200W-20% | 250W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 85°C |
| Perf/Watt | 1.4+27% | 1.1 |
Value Analysis
The GeForce Go 7900 GTX is the newer GPU (2015 vs 2012).
| Feature | Radeon HD 8400E | GeForce Go 7900 GTX |
|---|---|---|
| MSRP | $30 | — |
| Avg Price (30d) | $5 | — |
| Codename | Pitcairn | GM200 |
| Release | March 5 2012 | June 2 2015 |
| Ranking | #460 | #179 |
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