Radeon HD 6870 vs GeForce RTX 3070
Radeon HD 6870
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GeForce RTX 3070
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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 RTX 3070
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 3070 is significantly newer (2020 vs 2010). The GeForce RTX 3070 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 6870 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 3070 is the superior choice for raw performance. It leads with a 905.1% higher G3D Mark score and 300% more VRAM (8 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6870.
| Insight | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-905.1%) | ✅Leading raw performance (+905.1%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🔮Strong Longevity (Ampere (2020−2025) / 8nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 2 Upscaling |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (8 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (247mm) | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce RTX 3070 offers a compelling cost-to-performance ratio. Although it costs $200 (vs $50), its significant performance lead justifies the premium, offering 151.3% better value per dollar than the Radeon HD 6870.
| Insight | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+151.3%) |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($200) |
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 HD 6870 and GeForce RTX 3070
Radeon HD 6870
The Radeon HD 6870 is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. The boost clock speed is 900 MHz. It has 1120 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,206 points. Launch price was $239.
GeForce RTX 3070
The GeForce RTX 3070 is manufactured by NVIDIA. It was released in September 1 2020. It features the Ampere architecture. The core clock ranges from 1500 MHz to 1725 MHz. It has 5888 shading units. The thermal design power (TDP) is 220W. Manufactured using 8 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 22,172 points. Launch price was $499.
Graphics Performance
In G3D Mark, the Radeon HD 6870 scores 2,206 versus the GeForce RTX 3070's 22,172 — the GeForce RTX 3070 leads by 905.1%. The Radeon HD 6870 is built on TeraScale 2 while the GeForce RTX 3070 uses Ampere, both on 40 nm vs 8 nm. Shader units: 1,120 (Radeon HD 6870) vs 5,888 (GeForce RTX 3070). Raw compute: 2.016 TFLOPS (Radeon HD 6870) vs 20.31 TFLOPS (GeForce RTX 3070). Boost clocks: 900 MHz vs 1725 MHz.
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| G3D Mark Score | 2,206 | 22,172+905% |
| Architecture | TeraScale 2 | Ampere |
| Process Node | 40 nm | 8 nm |
| Shading Units | 1120 | 5888+426% |
| Compute (TFLOPS) | 2.016 TFLOPS | 20.31 TFLOPS+907% |
| Boost Clock | 900 MHz | 1725 MHz+92% |
| ROPs | 32 | 96+200% |
| TMUs | 56 | 184+229% |
| L1 Cache | 0.22 MB | 5.8 MB+2536% |
| L2 Cache | 0.5 MB | 4 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | DLSS 2.0 |
| Frame Generation | Not Supported | FSR 3 / AFMF (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon HD 6870 comes with 2 GB of VRAM, while the GeForce RTX 3070 has 8 GB. The GeForce RTX 3070 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 256-bit. L2 Cache: 0.5 MB (Radeon HD 6870) vs 4 MB (GeForce RTX 3070) — the GeForce RTX 3070 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| VRAM Capacity | 2 GB | 8 GB+300% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | Unknown | 448 GB/s |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 0.5 MB | 4 MB+700% |
Display & API Support
DirectX support: 11.0 (Radeon HD 6870) vs 12 Ultimate (GeForce RTX 3070). Vulkan: N/A vs 1.4. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 6 vs 4.
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| DirectX | 11.0 | 12 Ultimate+9% |
| Vulkan | N/A | 1.4 |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 6+50% | 4 |
Media & Encoding
Hardware encoder: None (Radeon HD 6870) vs NVENC 7th gen (GeForce RTX 3070). Decoder: UVD 3.0 vs NVDEC 5th gen. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6870) vs H.264,H.265/HEVC,AV1,VP9 (GeForce RTX 3070).
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| Encoder | None | NVENC 7th gen |
| Decoder | UVD 3.0 | NVDEC 5th gen |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4,MVC | H.264,H.265/HEVC,AV1,VP9 |
Power & Dimensions
The Radeon HD 6870 draws 151W versus the GeForce RTX 3070's 220W — a 37.2% difference. The Radeon HD 6870 is more power-efficient. Recommended PSU: 500W (Radeon HD 6870) vs 650W (GeForce RTX 3070). Power connectors: 2x 6-pin vs 8-pin. Card length: 247mm vs 242mm, occupying 2 vs 2 slots. Typical load temperature: 85 vs 75°C.
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| TDP | 151W-31% | 220W |
| Recommended PSU | 500W-23% | 650W |
| Power Connector | 2x 6-pin | 8-pin |
| Length | 247mm | 242mm |
| Height | 111mm | 112mm |
| Slots | 2 | 2 |
| Temp (Load) | 85 | 75°C-12% |
| Perf/Watt | 14.6 | 100.8+590% |
Value Analysis
The Radeon HD 6870 launched at $239 MSRP and currently averages $50, while the GeForce RTX 3070 launched at $499 and now averages $200. The Radeon HD 6870 costs 75% less ($150 savings) at current market prices. Performance per dollar (G3D Mark / price): 44.1 (Radeon HD 6870) vs 110.9 (GeForce RTX 3070) — the GeForce RTX 3070 offers 151.5% better value. The GeForce RTX 3070 is the newer GPU (2020 vs 2010).
| Feature | Radeon HD 6870 | GeForce RTX 3070 |
|---|---|---|
| MSRP | $239-52% | $499 |
| Avg Price (30d) | $50-75% | $200 |
| Performance per Dollar | 44.1 | 110.9+151% |
| Codename | Barts | GA104 |
| Release | October 21 2010 | September 1 2020 |
| Ranking | #661 | #63 |
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