Radeon R7 A8-7670K vs Mobility Radeon HD 4850
Radeon R7 A8-7670K
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Mobility Radeon HD 4850
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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 R7 A8-7670K is positioned at rank 176 and the Mobility Radeon HD 4850 is on rank 504, so the Radeon R7 A8-7670K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R7 A8-7670K
Performance Per Dollar Mobility Radeon HD 4850
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon R7 A8-7670K is significantly newer (2015 vs 2009). The Radeon R7 A8-7670K likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Mobility Radeon HD 4850 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Mobility Radeon HD 4850 is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 A8-7670K.
| Insight | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.2%) | ✅Leading raw performance (+2.2%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Mobility Radeon HD 4850 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 4850 holds the technical lead. Priced at $20 (vs $50), it costs 60% less, resulting in a 155.6% higher cost efficiency score.
| Insight | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+155.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅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 R7 A8-7670K and Mobility Radeon HD 4850
Radeon R7 A8-7670K
The Radeon R7 A8-7670K is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 847 points. Launch price was $149.
Mobility Radeon HD 4850
The Mobility Radeon HD 4850 is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 866 points.
Graphics Performance
The Radeon R7 A8-7670K scores 847 and the Mobility Radeon HD 4850 reaches 866 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Radeon R7 A8-7670K is built on GCN 1.0 while the Mobility Radeon HD 4850 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 1,024 (Radeon R7 A8-7670K) vs 800 (Mobility Radeon HD 4850). Raw compute: 1.997 TFLOPS (Radeon R7 A8-7670K) vs 0.88 TFLOPS (Mobility Radeon HD 4850).
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| G3D Mark Score | 847 | 866+2% |
| Architecture | GCN 1.0 | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 1024+28% | 800 |
| Compute (TFLOPS) | 1.997 TFLOPS+127% | 0.88 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 64+60% | 40 |
| L1 Cache | 256 KB+60% | 160 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| 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 | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon R7 A8-7670K comes with 512 MB of VRAM, while the Mobility Radeon HD 4850 has 1 GB. The Mobility Radeon HD 4850 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 512 KB (Radeon R7 A8-7670K) vs 256 KB (Mobility Radeon HD 4850) — the Radeon R7 A8-7670K has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 12 (Radeon R7 A8-7670K) vs 10.1 (Mobility Radeon HD 4850). Vulkan: 1.0 vs N/A. OpenGL: 4.3 vs 3.3. Maximum simultaneous displays: 4 vs 2.
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| DirectX | 12+19% | 10.1 |
| Vulkan | 1.0 | N/A |
| OpenGL | 4.3+30% | 3.3 |
| Max Displays | 4+100% | 2 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon R7 A8-7670K) vs None (Mobility Radeon HD 4850). Decoder: UVD 4.0 vs UVD 2. Supported codecs: H.264,HEVC (Partial),MPEG-4 (Radeon R7 A8-7670K) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4850).
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| Encoder | VCE 1.0 | None |
| Decoder | UVD 4.0 | UVD 2 |
| Codecs | H.264,HEVC (Partial),MPEG-4 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon R7 A8-7670K draws 100W versus the Mobility Radeon HD 4850's 30W — a 107.7% difference. The Mobility Radeon HD 4850 is more power-efficient. Recommended PSU: 350W (Radeon R7 A8-7670K) vs 350W (Mobility Radeon HD 4850). Power connectors: None vs PCIe-powered. Typical load temperature: 65°C vs 95.
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| TDP | 100W | 30W-70% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | 65°C-32% | 95 |
| Perf/Watt | 8.5 | 28.9+240% |
Value Analysis
The Radeon R7 A8-7670K launched at $118 MSRP and currently averages $50, while the Mobility Radeon HD 4850 launched at $199 and now averages $20. The Mobility Radeon HD 4850 costs 60% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 16.9 (Radeon R7 A8-7670K) vs 43.3 (Mobility Radeon HD 4850) — the Mobility Radeon HD 4850 offers 156.2% better value. The Radeon R7 A8-7670K is the newer GPU (2015 vs 2009).
| Feature | Radeon R7 A8-7670K | Mobility Radeon HD 4850 |
|---|---|---|
| MSRP | $118-41% | $199 |
| Avg Price (30d) | $50 | $20-60% |
| Performance per Dollar | 16.9 | 43.3+156% |
| Codename | Trinidad | M98 |
| Release | June 18 2015 | January 9 2009 |
| Ranking | #467 | #927 |
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