GeForce 7800 GT vs Radeon HD4650
GeForce 7800 GT
Popular choices:
Radeon HD4650
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 7800 GT is positioned at rank 349 and the Radeon HD4650 is on rank 236, so the Radeon HD4650 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 GT
Performance Per Dollar Radeon HD4650
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 7800 GT is the superior choice for raw performance. It leads with a 1.7% higher G3D Mark score. However, the Radeon HD4650 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| Performance | ✅Leading raw performance (+1.7%) | ❌Lower raw frame rates (-1.7%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon HD4650 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD4650 holds the technical lead. Priced at $15 (vs $20), it costs 25% less, resulting in a 31.1% higher cost efficiency score.
| Insight | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+31.1%) |
| Upfront Cost | ⚠️Higher upfront cost ($20) | ✅More affordable ($15) |
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 GT and Radeon HD4650
GeForce 7800 GT
The GeForce 7800 GT is manufactured by NVIDIA. It was released in November 7 2013. It features the Kepler architecture. The core clock ranges from 875 MHz to 928 MHz. It has 2880 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 244 points. Launch price was $699.
Radeon HD4650
The Radeon HD4650 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 800 MHz. It has 1408 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 240 points. Launch price was $299.
Graphics Performance
The GeForce 7800 GT scores 244 and the Radeon HD4650 reaches 240 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The GeForce 7800 GT is built on Kepler while the Radeon HD4650 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 2,880 (GeForce 7800 GT) vs 1,408 (Radeon HD4650). Raw compute: 5.345 TFLOPS (GeForce 7800 GT) vs 2.253 TFLOPS (Radeon HD4650). Boost clocks: 928 MHz vs 800 MHz.
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| G3D Mark Score | 244+2% | 240 |
| Architecture | Kepler | TeraScale 3 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 2880+105% | 1408 |
| Compute (TFLOPS) | 5.345 TFLOPS+137% | 2.253 TFLOPS |
| Boost Clock | 928 MHz+16% | 800 MHz |
| ROPs | 48+50% | 32 |
| TMUs | 240+173% | 88 |
| L1 Cache | 240 KB | 352 KB+47% |
| L2 Cache | 1.5 MB+200% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| 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)
The GeForce 7800 GT comes with 256 MB of VRAM, while the Radeon HD4650 has 512 MB. The Radeon HD4650 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 1.5 MB (GeForce 7800 GT) vs 0.5 MB (Radeon HD4650) — the GeForce 7800 GT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| VRAM Capacity | 0.25 GB | 0.5 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 1.5 MB+200% | 0.5 MB |
Display & API Support
DirectX support: 9.0c (GeForce 7800 GT) vs 10.1 (Radeon HD4650). Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| DirectX | 9.0c | 10.1+12% |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: No (GeForce 7800 GT) vs UVD 2.2 (Radeon HD4650). Decoder: PureVideo vs UVD 2.2.
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| Encoder | No | UVD 2.2 |
| Decoder | PureVideo | UVD 2.2 |
| Codecs | MPEG-2 | — |
Power & Dimensions
The GeForce 7800 GT draws 250W versus the Radeon HD4650's 200W — a 22.2% difference. The Radeon HD4650 is more power-efficient. Recommended PSU: 350W (GeForce 7800 GT) vs 350W (Radeon HD4650). Power connectors: Legacy vs PCIe-powered. Card length: 228mm vs 193mm, occupying 1 vs 1 slots.
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| TDP | 250W | 200W-20% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 228mm | 193mm |
| Height | 111mm | — |
| Slots | 1 | 1 |
| Temp (Load) | 85°C | — |
| Perf/Watt | 1.0 | 1.2+20% |
Value Analysis
The GeForce 7800 GT launched at $449 MSRP and currently averages $20, while the Radeon HD4650 launched at $50 and now averages $15. The Radeon HD4650 costs 25% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 12.2 (GeForce 7800 GT) vs 16.0 (Radeon HD4650) — the Radeon HD4650 offers 31.1% better value. The GeForce 7800 GT is the newer GPU (2013 vs 2010).
| Feature | GeForce 7800 GT | Radeon HD4650 |
|---|---|---|
| MSRP | $449 | $50-89% |
| Avg Price (30d) | $20 | $15-25% |
| Performance per Dollar | 12.2 | 16.0+31% |
| Codename | GK110B | Cayman |
| Release | November 7 2013 | December 14 2010 |
| Ranking | #278 | #623 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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