
Iris Pro Graphics P6300

Radeon HD 4890
Iris Pro Graphics P6300 vs Radeon HD 4890 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.
Iris Pro Graphics P6300 vs Radeon HD 4890 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
Iris Pro Graphics P6300 vs Radeon HD 4890: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Iris Pro Graphics P6300
2014Why buy it
- ✅Costs $99 less on MSRP ($150 MSRP vs $249 MSRP).
- ✅Delivers 69.9% more G3D Mark for each dollar spent, at 10.5 vs 6.2 G3D/$ ($150 MSRP vs $249 MSRP).
- ✅Draws 15W instead of 190W, a 175W reduction.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2014 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon HD 4890
2009Why buy it
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
- ✅Iris Pro Graphics P6300 is already obsolete for modern gaming, so Radeon HD 4890 is the less risky modern option long term.
Trade-offs
- ❌2009 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌66% HIGHER MSRP$249 MSRPvs$150 MSRP
- ❌Lower G3D Mark per dollar, at 6.2 vs 10.5 G3D/$ ($249 MSRP vs $150 MSRP).
- ❌1166.7% higher power demand at 190W vs 15W.
Quick Answers
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Iris Pro Graphics P6300 vs Radeon HD 4890 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Iris Pro Graphics P6300
The Iris Pro Graphics P6300 is manufactured by Intel. It was released in September 5 2014. It features the Generation 8.0 architecture. The core clock ranges from 300 MHz to 800 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,582 points.

Radeon HD 4890
The Radeon HD 4890 is manufactured by AMD. It was released in April 2 2009. It features the TeraScale architecture. The core clock speed is 850 MHz. It has 800 shading units. The thermal design power (TDP) is 190W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,546 points. Launch price was $249.
Graphics Performance
The Iris Pro Graphics P6300 scores 1,582 and the Radeon HD 4890 reaches 1,546 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Iris Pro Graphics P6300 is built on Generation 8.0 while the Radeon HD 4890 uses TeraScale, both on 14 nm vs 55 nm. Shader units: 384 (Iris Pro Graphics P6300) vs 800 (Radeon HD 4890). Raw compute: 0.6144 TFLOPS (Iris Pro Graphics P6300) vs 1.36 TFLOPS (Radeon HD 4890).
| Feature | Iris Pro Graphics P6300 | Radeon HD 4890 |
|---|---|---|
| G3D Mark Score | 1,582+2% | 1,546 |
| Architecture | Generation 8.0 | TeraScale |
| Process Node | 14 nm | 55 nm |
| Shading Units | 384 | 800+108% |
| Compute (TFLOPS) | 0.6144 TFLOPS | 1.36 TFLOPS+121% |
| ROPs | 6 | 16+167% |
| TMUs | 48+20% | 40 |
Advanced Features (DLSS/FSR)
| Feature | Iris Pro Graphics P6300 | Radeon HD 4890 |
|---|---|---|
| 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 Iris Pro Graphics P6300 has 0 MB of VRAM, while the Radeon HD 4890 carries 2 GB. Radeon HD 4890 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Iris Pro Graphics P6300 and 64-bit on the Radeon HD 4890.
| Feature | Iris Pro Graphics P6300 | Radeon HD 4890 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 2 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 64-bit |
Power & Dimensions
The Iris Pro Graphics P6300 draws 15W versus the Radeon HD 4890's 190W — a 170.7% difference. The Iris Pro Graphics P6300 is more power-efficient. Recommended PSU: 1W (Iris Pro Graphics P6300) vs 500W (Radeon HD 4890). Power connectors: Integrated vs 2x 6-pin.
| Feature | Iris Pro Graphics P6300 | Radeon HD 4890 |
|---|---|---|
| TDP | 15W-92% | 190W |
| Recommended PSU | 1W-100% | 500W |
| Power Connector | Integrated | 2x 6-pin |
| Temp (Load) | 75°C | — |
| Perf/Watt | 105.5+1202% | 8.1 |
Value Analysis
At launch, the Iris Pro Graphics P6300 came in at $150, while the Radeon HD 4890 launched at $249. On MSRP, Iris Pro Graphics P6300 was 39.8% cheaper ($99 less). Performance per dollar on MSRP (G3D Mark / MSRP): 10.5 (Iris Pro Graphics P6300) vs 6.2 (Radeon HD 4890) — the Iris Pro Graphics P6300 offers 69.4% better value. The newer card here is Iris Pro Graphics P6300 (2014 vs 2009).
| Feature | Iris Pro Graphics P6300 | Radeon HD 4890 |
|---|---|---|
| MSRP | $150-40% | $249 |
| Performance per Dollar | 10.5+69% | 6.2 |
| Codename | Broadwell GT3e | RV790 |
| Release | September 5 2014 | April 2 2009 |
| Ranking | #755 | #762 |
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