
Radeon HD 4770

Radeon HD 8550G + 7600M Dual
Radeon HD 4770 vs Radeon HD 8550G + 7600M Dual 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 4770 vs Radeon HD 8550G + 7600M Dual 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 4770 vs Radeon HD 8550G + 7600M Dual: 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 4770
2009Why buy it
- ✅Costs $41 less on MSRP ($109 MSRP vs $150 MSRP).
- ✅Delivers 38.8% more G3D Mark for each dollar spent, at 8.3 vs 6.0 G3D/$ ($109 MSRP vs $150 MSRP).
Trade-offs
- ❌Lower average FPS than Radeon HD 8550G + 7600M Dual across 50 tracked games in our benchmark data.
- ❌2009 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌60% higher power demand at 80W vs 50W.
Radeon HD 8550G + 7600M Dual
2013Why buy it
- ✅83.0% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 50W instead of 80W, a 30W reduction.
- ✅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.
- ❌37.6% HIGHER MSRP$150 MSRPvs$109 MSRP
- ❌Lower G3D Mark per dollar, at 6.0 vs 8.3 G3D/$ ($150 MSRP vs $109 MSRP).
Quick Answers
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Radeon HD 4770 vs Radeon HD 8550G + 7600M Dual Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 4770
The Radeon HD 4770 is manufactured by AMD. It was released in April 28 2009. It features the TeraScale architecture. The core clock speed is 750 MHz. It has 640 shading units. The thermal design power (TDP) is 80W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 909 points. Launch price was $109.

Radeon HD 8550G + 7600M Dual
The Radeon HD 8550G + 7600M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 825 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 901 points.
Graphics Performance
The Radeon HD 4770 scores 909 and the Radeon HD 8550G + 7600M Dual reaches 901 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. Shader units: 640 (Radeon HD 4770) vs 640 (Radeon HD 8550G + 7600M Dual).
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| G3D Mark Score | 909 | 901 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 640 | 640 |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| 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 64-bit on the Radeon HD 4770 and 128-bit on the Radeon HD 8550G + 7600M Dual.
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
Display & API Support
DirectX support: 10.1 (Radeon HD 4770) vs 11.2 (FL11_0) (Radeon HD 8550G + 7600M Dual). OpenGL: 3.3 vs 4.4. Maximum simultaneous displays: 3 vs 2.
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| DirectX | 10.1 | 11.2 (FL11_0)+11% |
| OpenGL | 3.3 | 4.4+33% |
| Max Displays | 3+50% | 2 |
Media & Encoding
Decoder: UVD 2.2 vs UVD3. Supported codecs: H.264,VC-1,MPEG-2,DivX (Radeon HD 4770) vs H.264,VC-1,MPEG-2 (Radeon HD 8550G + 7600M Dual).
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| Encoder | — | UVD3 |
| Decoder | UVD 2.2 | UVD3 |
| Codecs | H.264,VC-1,MPEG-2,DivX | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon HD 4770 draws 80W versus the Radeon HD 8550G + 7600M Dual's 50W — a 46.2% difference. The Radeon HD 8550G + 7600M Dual is more power-efficient. Recommended PSU: 400W (Radeon HD 4770) vs 350W (Radeon HD 8550G + 7600M Dual). Power connectors: 1x 6-pin vs 1x 6-pin. Typical load temperature: 72°C vs 70°C.
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| TDP | 80W | 50W-38% |
| Recommended PSU | 400W | 350W-13% |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 203mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 72°C | 70°C-3% |
| Perf/Watt | 11.4 | 18.0+58% |
Value Analysis
At launch, the Radeon HD 4770 came in at $109, while the Radeon HD 8550G + 7600M Dual launched at $150. On MSRP, Radeon HD 4770 was 27.3% cheaper ($41 less). Performance per dollar on MSRP (G3D Mark / MSRP): 8.3 (Radeon HD 4770) vs 6.0 (Radeon HD 8550G + 7600M Dual) — the Radeon HD 4770 offers 38.3% better value. The newer card here is Radeon HD 8550G + 7600M Dual (2013 vs 2009).
| Feature | Radeon HD 4770 | Radeon HD 8550G + 7600M Dual |
|---|---|---|
| MSRP | $109-27% | $150 |
| Performance per Dollar | 8.3+38% | 6.0 |
| Codename | RV740 | — |
| Release | April 28 2009 | August 1 2013 |
| Ranking | #908 | #863 |
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