
FirePro W4300

Quadro M620
FirePro W4300 vs Quadro M620 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 W4300 vs Quadro M620 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 W4300 vs Quadro M620: 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 W4300
2015Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 7.2 vs 0 G3D/$ ($379 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
Trade-offs
- ❌2015 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌66.7% higher power demand at 50W vs 30W.
- ❌17000% longer card at 171mm vs 1mm.
Quadro M620
2017Why buy it
- ✅Draws 30W instead of 50W, a 20W reduction.
- ✅Measures 1mm instead of 171mm, a 170mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 7.2 G3D/$ (Unknown MSRP vs $379 MSRP).
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FirePro W4300 vs Quadro M620 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

FirePro W4300
The FirePro W4300 is manufactured by AMD. It was released in December 1 2015. It features the GCN 2.0 architecture. The core clock speed is 930 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,719 points.

Quadro M620
The Quadro M620 is manufactured by NVIDIA. It was released in January 11 2017. It features the Maxwell architecture. The core clock ranges from 756 MHz to 977 MHz. It has 512 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,758 points.
Graphics Performance
The FirePro W4300 scores 2,719 and the Quadro M620 reaches 2,758 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The FirePro W4300 is built on GCN 2.0 while the Quadro M620 uses Maxwell, both on a 28 nm process. Shader units: 768 (FirePro W4300) vs 512 (Quadro M620). Raw compute: 1.428 TFLOPS (FirePro W4300) vs 1 TFLOPS (Quadro M620).
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| G3D Mark Score | 2,719 | 2,758+1% |
| Architecture | GCN 2.0 | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 768+50% | 512 |
| Compute (TFLOPS) | 1.428 TFLOPS+43% | 1 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 48+50% | 32 |
| L1 Cache | 192 KB | 256 KB+33% |
| L2 Cache | 0.25 MB | 2 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The FirePro W4300 has 4 GB of VRAM, while the Quadro M620 carries 2 GB. FirePro W4300 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 W4300 and 64-bit on the Quadro M620. L2 Cache: 0.25 MB (FirePro W4300) vs 2 MB (Quadro M620) — the Quadro M620 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 0.25 MB | 2 MB+700% |
Display & API Support
DirectX support: 12 (FirePro W4300) vs 12_1 (Quadro M620). Maximum simultaneous displays: 6 vs 0.
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| DirectX | 12 | 12_1 |
| Max Displays | 6 | 0 |
Media & Encoding
Hardware encoder: VCE 2.0 (FirePro W4300) vs NVENC 5th Gen (Quadro M620). Decoder: UVD 4.2 vs NVDEC 2nd Gen.
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| Encoder | VCE 2.0 | NVENC 5th Gen |
| Decoder | UVD 4.2 | NVDEC 2nd Gen |
| Codecs | H.264,MPEG-2,VC-1 | — |
Power & Dimensions
The FirePro W4300 draws 50W versus the Quadro M620's 30W — a 50% difference. The Quadro M620 is more power-efficient. Recommended PSU: 350W (FirePro W4300) vs 350W (Quadro M620). Power connectors: PCIe-powered vs PCIe-powered. Card length: 171mm vs 1mm, occupying 1 vs 0 slots.
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| TDP | 50W | 30W-40% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 171mm | 1mm |
| Height | 69mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 71°C | — |
| Perf/Watt | 54.4 | 91.9+69% |
Value Analysis
At launch, the FirePro W4300 came in at $379, while the Quadro M620 launched at $0. On MSRP, Quadro M620 was 100+% cheaper ($379 less). Performance per dollar on MSRP (G3D Mark / MSRP): 7.2 (FirePro W4300) vs Infinity (Quadro M620) — the Quadro M620 offers Infinity% better value. The newer card here is Quadro M620 (2017 vs 2015).
| Feature | FirePro W4300 | Quadro M620 |
|---|---|---|
| MSRP | $379 | $0-100% |
| Performance per Dollar | 7.2 | Infinity |
| Codename | Bonaire | GM107 |
| Release | December 1 2015 | January 11 2017 |
| Ranking | #590 | #606 |
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