
Radeon HD 6490M

Radeon HD 8470D
Radeon HD 6490M vs Radeon HD 8470D 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 6490M vs Radeon HD 8470D 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 6490M vs Radeon HD 8470D: 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 6490M
2011Why buy it
- ✅3.3% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 75W instead of 200W, a 125W reduction.
Trade-offs
- ❌2011 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 7.5 G3D/$ (Unknown MSRP vs $50 MSRP).
Radeon HD 8470D
2012Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 7.5 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).
- ✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon HD 6490M 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.
- ❌166.7% higher power demand at 200W vs 75W.
Quick Answers
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Radeon HD 6490M vs Radeon HD 8470D Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 6490M
The Radeon HD 6490M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 680 MHz. It has 960 shading units. The thermal design power (TDP) is 75W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 378 points.

Radeon HD 8470D
The Radeon HD 8470D 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: 374 points. Launch price was $349.
Graphics Performance
The Radeon HD 6490M scores 378 and the Radeon HD 8470D reaches 374 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The Radeon HD 6490M is built on TeraScale 2 while the Radeon HD 8470D uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 960 (Radeon HD 6490M) vs 1,280 (Radeon HD 8470D). Raw compute: 1.306 TFLOPS (Radeon HD 6490M) vs 2.56 TFLOPS (Radeon HD 8470D).
| Feature | Radeon HD 6490M | Radeon HD 8470D |
|---|---|---|
| G3D Mark Score | 378+1% | 374 |
| Architecture | TeraScale 2 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 960 | 1280+33% |
| Compute (TFLOPS) | 1.306 TFLOPS | 2.56 TFLOPS+96% |
| ROPs | 32 | 32 |
| TMUs | 48 | 80+67% |
| L1 Cache | 192 KB | 320 KB+67% |
| L2 Cache | 512 KB | 512 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6490M | Radeon HD 8470D |
|---|---|---|
| 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 6490M and 128-bit on the Radeon HD 8470D.
| Feature | Radeon HD 6490M | Radeon HD 8470D |
|---|---|---|
| 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 | 512 KB |
Power & Dimensions
The Radeon HD 6490M draws 75W versus the Radeon HD 8470D's 200W — a 90.9% difference. The Radeon HD 6490M is more power-efficient. Recommended PSU: 350W (Radeon HD 6490M) vs 350W (Radeon HD 8470D). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 6490M | Radeon HD 8470D |
|---|---|---|
| TDP | 75W-63% | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Perf/Watt | 5.0+163% | 1.9 |
Value Analysis
The newer card here is Radeon HD 8470D (2012 vs 2011).
| Feature | Radeon HD 6490M | Radeon HD 8470D |
|---|---|---|
| MSRP | — | $50 |
| Codename | Blackcomb | Pitcairn |
| Release | January 4 2011 | March 5 2012 |
| Ranking | #654 | #460 |
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