Radeon HD 7640G + HD 7670M Dual
Radeon HD 7660D
Radeon HD 7640G + HD 7670M Dual vs Radeon HD 7660D 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 7640G + HD 7670M Dual vs Radeon HD 7660D 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 7640G + HD 7670M Dual vs Radeon HD 7660D: 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 7640G + HD 7670M Dual
2013Why buy it
- ✅69.8% more average FPS across 50 tracked games in our benchmark data.
- ✅More future proof: Unknown architecture on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌23% HIGHER MSRP$150 MSRPvs$122 MSRP
- ❌Lower G3D Mark per dollar, at 3.5 vs 4.2 G3D/$ ($150 MSRP vs $122 MSRP).
Radeon HD 7660D
2012Why buy it
- ✅Costs $28 less on MSRP ($122 MSRP vs $150 MSRP).
- ✅Delivers 21.3% more G3D Mark for each dollar spent, at 4.2 vs 3.5 G3D/$ ($122 MSRP vs $150 MSRP).
Trade-offs
- ❌Lower average FPS than Radeon HD 7640G + HD 7670M Dual across 50 tracked games in our benchmark data.
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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Radeon HD 7640G + HD 7670M Dual vs Radeon HD 7660D Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Radeon HD 7640G + HD 7670M Dual
The Radeon HD 7640G + HD 7670M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 519 points.
Radeon HD 7660D
The Radeon HD 7660D is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 512 points.
Graphics Performance
The Radeon HD 7640G + HD 7670M Dual scores 519 and the Radeon HD 7660D reaches 512 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 7640G + HD 7670M Dual) vs 480 (Radeon HD 7660D).
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 7660D |
|---|---|---|
| G3D Mark Score | 519+1% | 512 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 768+60% | 480 |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 7660D |
|---|---|---|
| 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)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 7640G + HD 7670M Dual and 128-bit on the Radeon HD 7660D.
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 7660D |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The Radeon HD 7640G + HD 7670M Dual draws 50W versus the Radeon HD 7660D's 45W — a 10.5% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 7640G + HD 7670M Dual) vs 350W (Radeon HD 7660D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 7660D |
|---|---|---|
| TDP | 50W | 45W-10% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | — | 0 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 10.4 | 11.4+10% |
Value Analysis
At launch, the Radeon HD 7640G + HD 7670M Dual came in at $150, while the Radeon HD 7660D launched at $122. On MSRP, Radeon HD 7660D was 18.7% cheaper ($28 less). Performance per dollar on MSRP (G3D Mark / MSRP): 3.5 (Radeon HD 7640G + HD 7670M Dual) vs 4.2 (Radeon HD 7660D) — the Radeon HD 7660D offers 20% better value. The newer card here is Radeon HD 7640G + HD 7670M Dual (2013 vs 2012).
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 7660D |
|---|---|---|
| MSRP | $150 | $122-19% |
| Performance per Dollar | 3.5 | 4.2+20% |
| Codename | — | Turks |
| Release | August 1 2013 | January 5 2012 |
| Ranking | #881 | #870 |
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