GeForce RTX 3070
Radeon HD 6990M Crossfire
GeForce RTX 3070 vs Radeon HD 6990M Crossfire 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.
GeForce RTX 3070 vs Radeon HD 6990M Crossfire 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
GeForce RTX 3070 vs Radeon HD 6990M Crossfire: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce RTX 3070
2020Why buy it
- ✅389.9% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $200 less on MSRP ($499 MSRP vs $699 MSRP).
- ✅Delivers 787.4% more G3D Mark for each dollar spent, at 44.4 vs 5.0 G3D/$ ($499 MSRP vs $699 MSRP).
- ✅Access to DLSS 2 Super Resolution (2020).
- ✅300% more VRAM for high-resolution textures and newer games (8 GB vs 2 GB).
Trade-offs
- ❌340% higher power demand at 220W vs 50W.
Radeon HD 6990M Crossfire
2011Why buy it
- ✅Draws 50W instead of 220W, a 170W reduction.
Trade-offs
- ❌Lower average FPS than GeForce RTX 3070 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 2 GB vs 8 GB for high-resolution textures and newer games.
- ❌No DLSS support; it relies on FSR Upscaling / FSR 4 (2025) instead.
- ❌2011 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌40.1% HIGHER MSRP$699 MSRPvs$499 MSRP
Quick Answers
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GeForce RTX 3070 vs Radeon HD 6990M Crossfire Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
Radeon HD 6990M Crossfire
The Radeon HD 6990M Crossfire is manufactured by AMD. It was released in July 12 2011. It features the Terascale 2 architecture. The core clock speed is 715 MHz. It has 2240 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,500 points.
Graphics Performance
In G3D Mark, the GeForce RTX 3070 scores 22,172 versus the Radeon HD 6990M Crossfire's 3,500 — the GeForce RTX 3070 leads by 533.5%. The GeForce RTX 3070 is built on Ampere while the Radeon HD 6990M Crossfire uses Terascale 2, both on 8 nm vs 40 nm. Shader units: 5,888 (GeForce RTX 3070) vs 2,240 (Radeon HD 6990M Crossfire).
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| G3D Mark Score | 22,172+533% | 3,500 |
| Architecture | Ampere | Terascale 2 |
| Process Node | 8 nm | 40 nm |
| Shading Units | 5888+163% | 2240 |
Advanced Features (DLSS/FSR)
The GeForce RTX 3070 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 6990M Crossfire leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| Upscaling Tech | DLSS 2 Super Resolution | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce RTX 3070 has 8 GB of VRAM, while the Radeon HD 6990M Crossfire carries 2 GB. GeForce RTX 3070 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the GeForce RTX 3070 and 128-bit on the Radeon HD 6990M Crossfire.
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| VRAM Capacity | 8 GB+300% | 2 GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bandwidth | 448 GB/s | Unknown |
| Bus Width | 256-bit+100% | 128-bit |
Display & API Support
DirectX support: 12 Ultimate (GeForce RTX 3070) vs 11.0 (Radeon HD 6990M Crossfire). Vulkan: 1.4 vs N/A. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 4 vs 6.
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| DirectX | 12 Ultimate+9% | 11.0 |
| Vulkan | 1.4 | N/A |
| OpenGL | 4.6+5% | 4.4 |
| Max Displays | 4 | 6+50% |
Media & Encoding
Hardware encoder: NVENC 7th gen (GeForce RTX 3070) vs None (Radeon HD 6990M Crossfire). Decoder: NVDEC 5th gen vs UVD 3.0. Supported codecs: H.264,H.265/HEVC,AV1,VP9 (GeForce RTX 3070) vs MPEG-2,VC-1,H.264,MPEG-4,MVC (Radeon HD 6990M Crossfire).
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| Encoder | NVENC 7th gen | None |
| Decoder | NVDEC 5th gen | UVD 3.0 |
| Codecs | H.264,H.265/HEVC,AV1,VP9 | MPEG-2,VC-1,H.264,MPEG-4,MVC |
Power & Dimensions
The GeForce RTX 3070 draws 220W versus the Radeon HD 6990M Crossfire's 50W — a 125.9% difference. The Radeon HD 6990M Crossfire is more power-efficient. Recommended PSU: 650W (GeForce RTX 3070) vs 350W (Radeon HD 6990M Crossfire). Power connectors: 8-pin vs 1x 6-pin. Card length: 242mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 75°C vs 90.
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| TDP | 220W | 50W-77% |
| Recommended PSU | 650W | 350W-46% |
| Power Connector | 8-pin | 1x 6-pin |
| Length | 242mm | 0mm |
| Height | 112mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-17% | 90 |
| Perf/Watt | 100.8+44% | 70.0 |
Value Analysis
At launch, the GeForce RTX 3070 came in at $499, while the Radeon HD 6990M Crossfire launched at $699. On MSRP, GeForce RTX 3070 was 28.6% cheaper ($200 less). Performance per dollar on MSRP (G3D Mark / MSRP): 44.4 (GeForce RTX 3070) vs 5.0 (Radeon HD 6990M Crossfire) — the GeForce RTX 3070 offers 788% better value. The newer card here is GeForce RTX 3070 (2020 vs 2011).
| Feature | GeForce RTX 3070 | Radeon HD 6990M Crossfire |
|---|---|---|
| MSRP | $499-29% | $699 |
| Performance per Dollar | 44.4+788% | 5.0 |
| Codename | GA104 | Blackcomb XTX |
| Release | September 1 2020 | July 12 2011 |
| Ranking | #63 | #517 |
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