
Radeon HD 6480M

Radeon HD 6620G
Radeon HD 6480M vs Radeon HD 6620G 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 6480M vs Radeon HD 6620G 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 6480M vs Radeon HD 6620G: 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 6480M
2010Why buy it
- ✅48.9% more average FPS across 50 tracked games in our benchmark data.
Trade-offs
- ❌2010 hardware with 512 MB 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 6.8 G3D/$ (Unknown MSRP vs $50 MSRP).
- ❌235.6% higher power demand at 151W vs 45W.
Radeon HD 6620G
2011Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 6.8 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).
- ✅Draws 45W instead of 151W, a 106W reduction.
- ✅More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon HD 6480M across 50 tracked games in our benchmark data.
- ❌2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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Radeon HD 6480M vs Radeon HD 6620G Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 6480M
The Radeon HD 6480M 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: 353 points. Launch price was $239.

Radeon HD 6620G
The Radeon HD 6620G is manufactured by AMD. It was released in April 19 2011. 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: 341 points.
Graphics Performance
The Radeon HD 6480M scores 353 and the Radeon HD 6620G reaches 341 in the G3D Mark benchmark — just a 3.5% difference, making them near-identical in rasterization performance. The Radeon HD 6480M is built on TeraScale 2 while the Radeon HD 6620G uses TeraScale 2, both on a 40 nm process. Shader units: 1,120 (Radeon HD 6480M) vs 480 (Radeon HD 6620G). Raw compute: 2.016 TFLOPS (Radeon HD 6480M) vs 0.576 TFLOPS (Radeon HD 6620G).
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| G3D Mark Score | 353+4% | 341 |
| Architecture | TeraScale 2 | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 1120+133% | 480 |
| Compute (TFLOPS) | 2.016 TFLOPS+250% | 0.576 TFLOPS |
| ROPs | 32+300% | 8 |
| TMUs | 56+133% | 24 |
| L1 Cache | 224 KB+367% | 48 KB |
| L2 Cache | 512 KB+100% | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| 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 video memory. Memory bus width is System on the Radeon HD 6480M and 128-bit on the Radeon HD 6620G. L2 Cache: 512 KB (Radeon HD 6480M) vs 256 KB (Radeon HD 6620G) — the Radeon HD 6480M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (11_0) (Radeon HD 6480M) vs 11 (Radeon HD 6620G). OpenGL: 4.4 vs 4.4. Maximum simultaneous displays: 1 vs 2.
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| DirectX | 11.2 (11_0)+2% | 11 |
| OpenGL | 4.4 | 4.4 |
| Max Displays | 1 | 2+100% |
Media & Encoding
Decoder: UVD 3.0 vs UVD 3. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 Part 2 (Radeon HD 6480M) vs H.264,VC-1,MPEG-2 (Radeon HD 6620G).
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| Decoder | UVD 3.0 | UVD 3 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 Part 2 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon HD 6480M draws 151W versus the Radeon HD 6620G's 45W — a 108.2% difference. The Radeon HD 6620G is more power-efficient. Recommended PSU: 350W (Radeon HD 6480M) vs 350W (Radeon HD 6620G). Power connectors: 1x 6-pin vs 1x 6-pin. Typical load temperature: 75°C vs 75°C.
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| TDP | 151W | 45W-70% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 75°C | 75°C |
| Perf/Watt | 2.3 | 7.6+230% |
Value Analysis
The newer card here is Radeon HD 6620G (2011 vs 2010).
| Feature | Radeon HD 6480M | Radeon HD 6620G |
|---|---|---|
| MSRP | — | $50 |
| Codename | Barts | Onega |
| Release | October 21 2010 | April 19 2011 |
| Ranking | #661 | #926 |
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