Radeon HD4650 vs GeForce 7800 GT
Radeon HD4650
Popular choices:
GeForce 7800 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 Radeon HD4650 is positioned at rank 236 and the GeForce 7800 GT is on rank 349, 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 Radeon HD4650
Performance Per Dollar GeForce 7800 GT
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 | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.7%) | ✅Leading raw performance (+1.7%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 3 (2010−2013)) | 🛑Obsolete Architecture (2013 / 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 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 | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+31.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($20) |
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 HD4650 and GeForce 7800 GT
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.
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.
Graphics Performance
The Radeon HD4650 scores 240 and the GeForce 7800 GT reaches 244 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Radeon HD4650 is built on TeraScale 3 while the GeForce 7800 GT uses Kepler, both on 40 nm vs 28 nm. Shader units: 1,408 (Radeon HD4650) vs 2,880 (GeForce 7800 GT). Raw compute: 2.253 TFLOPS (Radeon HD4650) vs 5.345 TFLOPS (GeForce 7800 GT). Boost clocks: 800 MHz vs 928 MHz.
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| G3D Mark Score | 240 | 244+2% |
| Architecture | TeraScale 3 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1408 | 2880+105% |
| Compute (TFLOPS) | 2.253 TFLOPS | 5.345 TFLOPS+137% |
| Boost Clock | 800 MHz | 928 MHz+16% |
| ROPs | 32 | 48+50% |
| TMUs | 88 | 240+173% |
| L1 Cache | 352 KB+47% | 240 KB |
| L2 Cache | 0.5 MB | 1.5 MB+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon HD4650 comes with 512 MB of VRAM, while the GeForce 7800 GT has 256 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: 0.5 MB (Radeon HD4650) vs 1.5 MB (GeForce 7800 GT) — the GeForce 7800 GT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD4650 | GeForce 7800 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 | 0.5 MB | 1.5 MB+200% |
Display & API Support
DirectX support: 10.1 (Radeon HD4650) vs 9.0c (GeForce 7800 GT). Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| DirectX | 10.1+12% | 9.0c |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: UVD 2.2 (Radeon HD4650) vs No (GeForce 7800 GT). Decoder: UVD 2.2 vs PureVideo.
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| Encoder | UVD 2.2 | No |
| Decoder | UVD 2.2 | PureVideo |
| Codecs | — | MPEG-2 |
Power & Dimensions
The Radeon HD4650 draws 200W versus the GeForce 7800 GT's 250W — a 22.2% difference. The Radeon HD4650 is more power-efficient. Recommended PSU: 350W (Radeon HD4650) vs 350W (GeForce 7800 GT). Power connectors: PCIe-powered vs Legacy. Card length: 193mm vs 228mm, occupying 1 vs 1 slots.
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| TDP | 200W-20% | 250W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | 193mm | 228mm |
| Height | — | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | — | 85°C |
| Perf/Watt | 1.2+20% | 1.0 |
Value Analysis
The Radeon HD4650 launched at $50 MSRP and currently averages $15, while the GeForce 7800 GT launched at $449 and now averages $20. The Radeon HD4650 costs 25% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 16.0 (Radeon HD4650) vs 12.2 (GeForce 7800 GT) — the Radeon HD4650 offers 31.1% better value. The GeForce 7800 GT is the newer GPU (2013 vs 2010).
| Feature | Radeon HD4650 | GeForce 7800 GT |
|---|---|---|
| MSRP | $50-89% | $449 |
| Avg Price (30d) | $15-25% | $20 |
| Performance per Dollar | 16.0+31% | 12.2 |
| Codename | Cayman | GK110B |
| Release | December 14 2010 | November 7 2013 |
| Ranking | #623 | #278 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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