
Radeon HD 6900M

Radeon R7 M380
Radeon HD 6900M vs Radeon R7 M380 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 6900M vs Radeon R7 M380 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 6900M vs Radeon R7 M380: 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 6900M
2011Why buy it
- ✅52.9% more average FPS across 50 tracked games in our benchmark data.
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 5.6 G3D/$ (Unknown MSRP vs $300 MSRP).
Radeon R7 M380
2015Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 5.6 vs 0 G3D/$ ($300 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 6900M across 50 tracked games in our benchmark data.
- ❌2015 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 6900M vs Radeon R7 M380 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 6900M
The Radeon HD 6900M 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: 1,707 points.

Radeon R7 M380
The Radeon R7 M380 is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 915 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,669 points.
Graphics Performance
The Radeon HD 6900M scores 1,707 and the Radeon R7 M380 reaches 1,669 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon HD 6900M is built on TeraScale 2 while the Radeon R7 M380 uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 960 (Radeon HD 6900M) vs 640 (Radeon R7 M380). Raw compute: 1.306 TFLOPS (Radeon HD 6900M) vs 1.171 TFLOPS (Radeon R7 M380).
| Feature | Radeon HD 6900M | Radeon R7 M380 |
|---|---|---|
| G3D Mark Score | 1,707+2% | 1,669 |
| Architecture | TeraScale 2 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 960+50% | 640 |
| Compute (TFLOPS) | 1.306 TFLOPS+12% | 1.171 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 48+20% | 40 |
| L1 Cache | 192 KB+20% | 160 KB |
| L2 Cache | 512 KB+100% | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6900M | Radeon R7 M380 |
|---|---|---|
| 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 6900M and 128-bit on the Radeon R7 M380. L2 Cache: 512 KB (Radeon HD 6900M) vs 256 KB (Radeon R7 M380) — the Radeon HD 6900M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6900M | Radeon R7 M380 |
|---|---|---|
| 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 |
Power & Dimensions
The Radeon HD 6900M draws 75W versus the Radeon R7 M380's 75W — a 0% difference. The Radeon R7 M380 is more power-efficient. Recommended PSU: 350W (Radeon HD 6900M) vs 350W (Radeon R7 M380). Power connectors: 1x 6-pin vs Mobile.
| Feature | Radeon HD 6900M | Radeon R7 M380 |
|---|---|---|
| TDP | 75W | 75W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Mobile |
| Perf/Watt | 22.8+2% | 22.3 |
Value Analysis
The newer card here is Radeon R7 M380 (2015 vs 2011).
| Feature | Radeon HD 6900M | Radeon R7 M380 |
|---|---|---|
| MSRP | — | $300 |
| Codename | Blackcomb | Tropo |
| Release | January 4 2011 | May 5 2015 |
| Ranking | #654 | #737 |
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