
FirePro D500

RadeonT 660M
FirePro D500 vs RadeonT 660M 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.
FirePro D500 vs RadeonT 660M 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
FirePro D500 vs RadeonT 660M: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
FirePro D500
2014Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 4.5 vs 0 G3D/$ ($500 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
Trade-offs
- ❌2014 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌585% higher power demand at 274W vs 40W.
RadeonT 660M
2023Why buy it
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 6nm gives it a newer hardware base for upcoming games.
- ✅Draws 40W instead of 274W, a 234W reduction.
- ✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌Lower G3D Mark per dollar, at 0 vs 4.5 G3D/$ (Unknown MSRP vs $500 MSRP).
Quick Answers
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FirePro D500 vs RadeonT 660M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

FirePro D500
The FirePro D500 is manufactured by AMD. It was released in January 18 2014. It features the GCN 1.0 architecture. The core clock speed is 725 MHz. It has 1536 shading units. The thermal design power (TDP) is 274W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,272 points.

RadeonT 660M
The RadeonT 660M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 2,221 points.
Graphics Performance
The FirePro D500 scores 2,272 and the RadeonT 660M reaches 2,221 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The FirePro D500 is built on GCN 1.0 while the RadeonT 660M uses RDNA 2.0, both on 28 nm vs 6 nm. Shader units: 1,536 (FirePro D500) vs 384 (RadeonT 660M). Raw compute: 2.227 TFLOPS (FirePro D500) vs 1.459 TFLOPS (RadeonT 660M).
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| G3D Mark Score | 2,272+2% | 2,221 |
| Architecture | GCN 1.0 | RDNA 2.0 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 1536+300% | 384 |
| Compute (TFLOPS) | 2.227 TFLOPS+53% | 1.459 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 96+300% | 24 |
| L1 Cache | 384 KB+200% | 128 KB |
| L2 Cache | 0.75 MB | 2 MB+167% |
Advanced Features (DLSS/FSR)
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The FirePro D500 has 4 GB of VRAM, while the RadeonT 660M carries 2 GB. FirePro D500 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the FirePro D500 and 64-bit on the RadeonT 660M. L2 Cache: 0.75 MB (FirePro D500) vs 2 MB (RadeonT 660M) — the RadeonT 660M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 0.75 MB | 2 MB+167% |
Display & API Support
DirectX support: 12 (FirePro D500) vs 12 (12_2) (RadeonT 660M). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 3.
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| DirectX | 12 | 12 (12_2) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 6+100% | 3 |
Media & Encoding
Hardware encoder: VCE 1.0 (FirePro D500) vs VCN 3.0 (RadeonT 660M). Decoder: UVD 3.2 vs VCN 3.0. Supported codecs: H.264,VC-1,MPEG-2 (FirePro D500) vs H.264,H.265,VP9,AV1,JPEG (RadeonT 660M).
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| Encoder | VCE 1.0 | VCN 3.0 |
| Decoder | UVD 3.2 | VCN 3.0 |
| Codecs | H.264,VC-1,MPEG-2 | H.264,H.265,VP9,AV1,JPEG |
Power & Dimensions
The FirePro D500 draws 274W versus the RadeonT 660M's 40W — a 149% difference. The RadeonT 660M is more power-efficient. Recommended PSU: 350W (FirePro D500) vs 350W (RadeonT 660M). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| TDP | 274W | 40W-85% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 279mm | — |
| Slots | 2 | — |
| Temp (Load) | 75°C | — |
| Perf/Watt | 8.3 | 55.5+569% |
Value Analysis
The newer card here is RadeonT 660M (2023 vs 2014).
| Feature | FirePro D500 | RadeonT 660M |
|---|---|---|
| MSRP | $500 | — |
| Codename | Tahiti | Rembrandt+ |
| Release | January 18 2014 | January 3 2023 |
| Ranking | #484 | #565 |
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