GeForce 9400 vs GeForce 6600 GT
GeForce 9400
Popular choices:
GeForce 6600 GT
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 GeForce 9400 is positioned at rank 616 and the GeForce 6600 GT is on rank 340, so the GeForce 6600 GT offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 9400
Performance Per Dollar GeForce 6600 GT
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 9400 is the superior choice for raw performance. It leads with a 2.8% 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 6600 GT.
| Insight | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| Performance | ✅Leading raw performance (+2.8%) | ❌Lower raw frame rates (-2.8%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce 9400 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 9400 holds the technical lead. Priced at $15 (vs $50), it costs 70% less, resulting in a 242.7% higher cost efficiency score.
| Insight | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+242.7%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($50) |
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 9400 and GeForce 6600 GT
GeForce 9400
The GeForce 9400 is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1072 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 147 points.
GeForce 6600 GT
The GeForce 6600 GT is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 143 points. Launch price was $299.
Graphics Performance
The GeForce 9400 scores 147 and the GeForce 6600 GT reaches 143 in the G3D Mark benchmark — just a 2.8% difference, making them near-identical in rasterization performance. The GeForce 9400 is built on Maxwell while the GeForce 6600 GT uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce 9400) vs 1,344 (GeForce 6600 GT). Raw compute: 0.9032 TFLOPS (GeForce 9400) vs 2.634 TFLOPS (GeForce 6600 GT). Boost clocks: 1176 MHz vs 980 MHz.
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| G3D Mark Score | 147+3% | 143 |
| Architecture | Maxwell | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 1344+250% |
| Compute (TFLOPS) | 0.9032 TFLOPS | 2.634 TFLOPS+192% |
| Boost Clock | 1176 MHz+20% | 980 MHz |
| ROPs | 8 | 24+200% |
| TMUs | 24 | 112+367% |
| L1 Cache | 192 KB+71% | 112 KB |
| L2 Cache | 1 MB+163% | 0.38 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce 9400 comes with 512 MB of VRAM, while the GeForce 6600 GT has 256 MB. The GeForce 9400 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 1 MB (GeForce 9400) vs 0.38 MB (GeForce 6600 GT) — the GeForce 9400 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| 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 | 1 MB+163% | 0.38 MB |
Display & API Support
DirectX support: 10 (GeForce 9400) vs 9.0c (GeForce 6600 GT). Vulkan: N/A vs None. OpenGL: 3.3 vs 2.1. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| DirectX | 10+11% | 9.0c |
| Vulkan | N/A | None |
| OpenGL | 3.3+57% | 2.1 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: None (GeForce 9400) vs No (GeForce 6600 GT). Decoder: PureVideo HD (VP2) vs PureVideo. Supported codecs: H.264,MPEG-2,VC-1 (GeForce 9400) vs MPEG-2 (GeForce 6600 GT).
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| Encoder | None | No |
| Decoder | PureVideo HD (VP2) | PureVideo |
| Codecs | H.264,MPEG-2,VC-1 | MPEG-2 |
Power & Dimensions
The GeForce 9400 draws 33W versus the GeForce 6600 GT's 150W — a 127.9% difference. The GeForce 9400 is more power-efficient. Recommended PSU: 350W (GeForce 9400) vs 350W (GeForce 6600 GT). Power connectors: Legacy vs Legacy. Card length: 168mm vs 183mm, occupying 1 vs 1 slots. Typical load temperature: 85 vs 75°C.
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| TDP | 33W-78% | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | 168mm | 183mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 85 | 75°C-12% |
| Perf/Watt | 4.5+350% | 1.0 |
Value Analysis
The GeForce 9400 launched at $59 MSRP and currently averages $15, while the GeForce 6600 GT launched at $199 and now averages $50. The GeForce 9400 costs 70% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 9.8 (GeForce 9400) vs 2.9 (GeForce 6600 GT) — the GeForce 9400 offers 237.9% better value. The GeForce 9400 is the newer GPU (2015 vs 2012).
| Feature | GeForce 9400 | GeForce 6600 GT |
|---|---|---|
| MSRP | $59-70% | $199 |
| Avg Price (30d) | $15-70% | $50 |
| Performance per Dollar | 9.8+238% | 2.9 |
| Codename | GM108 | GK104 |
| Release | March 13 2015 | August 16 2012 |
| Ranking | #847 | #472 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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