Radeon HD 7640G + HD 7670M Dual
Radeon HD 8670D
Radeon HD 7640G + HD 7670M Dual vs Radeon HD 8670D 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 8670D 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 8670D: 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
- ✅Draws 50W instead of 200W, a 150W reduction.
- ✅More future proof: Unknown architecture on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon HD 8670D across 50 tracked games in our benchmark data.
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌150% HIGHER MSRP$150 MSRPvs$60 MSRP
- ❌Lower G3D Mark per dollar, at 3.5 vs 8.6 G3D/$ ($150 MSRP vs $60 MSRP).
Radeon HD 8670D
2012Why buy it
- ✅4.4% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $90 less on MSRP ($60 MSRP vs $150 MSRP).
- ✅Delivers 149% more G3D Mark for each dollar spent, at 8.6 vs 3.5 G3D/$ ($60 MSRP vs $150 MSRP).
Trade-offs
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌300% higher power demand at 200W vs 50W.
Quick Answers
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Radeon HD 7640G + HD 7670M Dual vs Radeon HD 8670D 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 8670D
The Radeon HD 8670D is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 517 points. Launch price was $349.
Graphics Performance
The Radeon HD 7640G + HD 7670M Dual scores 519 and the Radeon HD 8670D reaches 517 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 7640G + HD 7670M Dual) vs 1,280 (Radeon HD 8670D).
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| G3D Mark Score | 519 | 517 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 768 | 1280+67% |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| 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 8670D.
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| 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 8670D's 200W — a 120% difference. The Radeon HD 7640G + HD 7670M Dual is more power-efficient. Recommended PSU: 350W (Radeon HD 7640G + HD 7670M Dual) vs 350W (Radeon HD 8670D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7640G + HD 7670M Dual | Radeon HD 8670D |
|---|---|---|
| TDP | 50W-75% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | — | 1mm |
| Slots | — | 0 |
| Perf/Watt | 10.4+300% | 2.6 |
Value Analysis
At launch, the Radeon HD 7640G + HD 7670M Dual came in at $150, while the Radeon HD 8670D launched at $60. On MSRP, Radeon HD 8670D was 60% cheaper ($90 less). Performance per dollar on MSRP (G3D Mark / MSRP): 3.5 (Radeon HD 7640G + HD 7670M Dual) vs 8.6 (Radeon HD 8670D) — the Radeon HD 8670D offers 145.7% 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 8670D |
|---|---|---|
| MSRP | $150 | $60-60% |
| Performance per Dollar | 3.5 | 8.6+146% |
| Codename | — | Pitcairn |
| Release | August 1 2013 | March 5 2012 |
| Ranking | #881 | #460 |
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