Radeon HD 6870
Radeon RX Vega 11 Ryzen 5 3400G
Radeon HD 6870 vs Radeon RX Vega 11 Ryzen 5 3400G Performance Spectrum
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.
Radeon HD 6870 vs Radeon RX Vega 11 Ryzen 5 3400G FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Radeon HD 6870 vs Radeon RX Vega 11 Ryzen 5 3400G: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon HD 6870
2010Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 9.2 vs 0 G3D/$ ($239 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
Trade-offs
- ❌Lower average FPS than Radeon RX Vega 11 Ryzen 5 3400G across 50 tracked games in our benchmark data.
- ❌2010 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌906.7% higher power demand at 151W vs 15W.
Radeon RX Vega 11 Ryzen 5 3400G
2020Why buy it
- ✅2.3% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 15W instead of 151W, a 136W reduction.
- ✅More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 9.2 G3D/$ (Unknown MSRP vs $239 MSRP).
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Radeon HD 6870 vs Radeon RX Vega 11 Ryzen 5 3400G Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
Radeon RX Vega 11 Ryzen 5 3400G
The Radeon RX Vega 11 Ryzen 5 3400G is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 2,145 points.
Graphics Performance
The Radeon HD 6870 scores 2,206 and the Radeon RX Vega 11 Ryzen 5 3400G reaches 2,145 in the G3D Mark benchmark — just a 2.8% difference, making them near-identical in rasterization performance. The Radeon HD 6870 is built on TeraScale 2 while the Radeon RX Vega 11 Ryzen 5 3400G uses Vega, both on 40 nm vs 7 nm. Shader units: 1,120 (Radeon HD 6870) vs 512 (Radeon RX Vega 11 Ryzen 5 3400G). Boost clocks: 900 MHz vs 2100 MHz.
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| G3D Mark Score | 2,206+3% | 2,145 |
| Architecture | TeraScale 2 | Vega |
| Process Node | 40 nm | 7 nm |
| Shading Units | 1120+119% | 512 |
| Boost Clock | 900 MHz | 2100 MHz+133% |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 6870 has 2 GB of VRAM, while the Radeon RX Vega 11 Ryzen 5 3400G carries 0 MB. Radeon HD 6870 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 6870 and System on the Radeon RX Vega 11 Ryzen 5 3400G.
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 11.0 (Radeon HD 6870) vs 12 (12_1) (Radeon RX Vega 11 Ryzen 5 3400G). Vulkan: N/A vs 1.3. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 6 vs 3.
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| DirectX | 11.0 | 12 (12_1)+9% |
| Vulkan | N/A | 1.3 |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 6+100% | 3 |
Media & Encoding
Hardware encoder: None (Radeon HD 6870) vs VCE 4.0 (Radeon RX Vega 11 Ryzen 5 3400G). Decoder: UVD 3.0 vs UVD 7.0. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6870) vs H.264,H.265,VP9 (Radeon RX Vega 11 Ryzen 5 3400G).
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| Encoder | None | VCE 4.0 |
| Decoder | UVD 3.0 | UVD 7.0 |
| Codecs | MPEG-2,VC-1,H.264,MPEG-4,MVC | H.264,H.265,VP9 |
Power & Dimensions
The Radeon HD 6870 draws 151W versus the Radeon RX Vega 11 Ryzen 5 3400G's 15W — a 163.9% difference. The Radeon RX Vega 11 Ryzen 5 3400G is more power-efficient. Recommended PSU: 500W (Radeon HD 6870) vs 1W (Radeon RX Vega 11 Ryzen 5 3400G). Power connectors: 2x 6-pin vs Integrated. Typical load temperature: 85 vs 80°C.
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| TDP | 151W | 15W-90% |
| Recommended PSU | 500W | 1W-100% |
| Power Connector | 2x 6-pin | Integrated |
| Length | 247mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 85 | 80°C-6% |
| Perf/Watt | 14.6 | 143.0+879% |
Value Analysis
At launch, the Radeon HD 6870 came in at $239, while the Radeon RX Vega 11 Ryzen 5 3400G launched at $0. On MSRP, Radeon RX Vega 11 Ryzen 5 3400G was 100+% cheaper ($239 less). Performance per dollar on MSRP (G3D Mark / MSRP): 9.2 (Radeon HD 6870) vs Infinity (Radeon RX Vega 11 Ryzen 5 3400G) — the Radeon RX Vega 11 Ryzen 5 3400G offers Infinity% better value. The newer card here is Radeon RX Vega 11 Ryzen 5 3400G (2020 vs 2010).
| Feature | Radeon HD 6870 | Radeon RX Vega 11 Ryzen 5 3400G |
|---|---|---|
| MSRP | $239 | $0-100% |
| Performance per Dollar | 9.2 | Infinity |
| Codename | Barts | Vega |
| Release | October 21 2010 | January 7 2020 |
| Ranking | #661 | #545 |
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