Radeon R2 vs GeForce 7800 GT
Radeon R2
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GeForce 7800 GT
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar GeForce 7800 GT
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon R2 is significantly newer (2019 vs 2013). The Radeon R2 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce 7800 GT lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R2 is the superior choice for raw performance. It leads with a 4.1% 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 7800 GT.
| Insight | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| Performance | ✅Leading raw performance (+4.1%) | ❌Lower raw frame rates (-4.1%) |
| Longevity | GCN 3.0 (2014−2019) (28nm) | 🛑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 |
💎 Value Proposition
The GeForce 7800 GT offers a compelling cost-to-performance ratio. Priced at $20 versus $49 for the Radeon R2, it costs 59% less. While it maintains basic entry-level capabilities, this results in a 135.4% higher cost efficiency score.
| Insight | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+135.4%) |
| Upfront Cost | ⚠️Higher upfront cost ($49) | ✅More affordable ($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 R2 and GeForce 7800 GT
Radeon R2
The Radeon R2 is manufactured by AMD. It was released in May 13 2019. It features the GCN 3.0 architecture. The core clock ranges from 730 MHz to 1024 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 254 points.
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 R2 scores 254 and the GeForce 7800 GT reaches 244 in the G3D Mark benchmark — just a 4.1% difference, making them near-identical in rasterization performance. The Radeon R2 is built on GCN 3.0 while the GeForce 7800 GT uses Kepler, both on a 28 nm process. Shader units: 384 (Radeon R2) vs 2,880 (GeForce 7800 GT). Raw compute: 0.7864 TFLOPS (Radeon R2) vs 5.345 TFLOPS (GeForce 7800 GT). Boost clocks: 1024 MHz vs 928 MHz.
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| G3D Mark Score | 254+4% | 244 |
| Architecture | GCN 3.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 2880+650% |
| Compute (TFLOPS) | 0.7864 TFLOPS | 5.345 TFLOPS+580% |
| Boost Clock | 1024 MHz+10% | 928 MHz |
| ROPs | 8 | 48+500% |
| TMUs | 24 | 240+900% |
| L1 Cache | 96 KB | 240 KB+150% |
| L2 Cache | 0.13 MB | 1.5 MB+1054% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R2 | 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 R2 comes with 512 MB of VRAM, while the GeForce 7800 GT has 256 MB. The Radeon R2 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 0.13 MB (Radeon R2) vs 1.5 MB (GeForce 7800 GT) — the GeForce 7800 GT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 0.13 MB | 1.5 MB+1054% |
Display & API Support
DirectX support: 12_0 (Radeon R2) vs 9.0c (GeForce 7800 GT). Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| DirectX | 12_0+33% | 9.0c |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R2) vs No (GeForce 7800 GT). Decoder: UVD 4.2 vs PureVideo.
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| Encoder | VCE 2.0 | No |
| Decoder | UVD 4.2 | PureVideo |
| Codecs | — | MPEG-2 |
Power & Dimensions
The Radeon R2 draws 50W versus the GeForce 7800 GT's 250W — a 133.3% difference. The Radeon R2 is more power-efficient. Recommended PSU: 350W (Radeon R2) vs 350W (GeForce 7800 GT). Power connectors: PCIe-powered vs Legacy. Card length: 0mm vs 228mm, occupying 0 vs 1 slots.
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| TDP | 50W-80% | 250W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | 0mm | 228mm |
| Height | — | 111mm |
| Slots | 0-100% | 1 |
| Temp (Load) | — | 85°C |
| Perf/Watt | 5.1+410% | 1.0 |
Value Analysis
The Radeon R2 launched at $0 MSRP and currently averages $49, while the GeForce 7800 GT launched at $449 and now averages $20. The GeForce 7800 GT costs 59.2% less ($29 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.2 (Radeon R2) vs 12.2 (GeForce 7800 GT) — the GeForce 7800 GT offers 134.6% better value. The Radeon R2 is the newer GPU (2019 vs 2013).
| Feature | Radeon R2 | GeForce 7800 GT |
|---|---|---|
| MSRP | $0-100% | $449 |
| Avg Price (30d) | $49 | $20-59% |
| Performance per Dollar | 5.2 | 12.2+135% |
| Codename | Polaris 24 | GK110B |
| Release | May 13 2019 | November 7 2013 |
| Ranking | #858 | #278 |
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