Iris Plus Graphics 640
Radeon HD 4870 X2
Iris Plus Graphics 640 vs Radeon HD 4870 X2 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 Plus Graphics 640 vs Radeon HD 4870 X2 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 Plus Graphics 640 vs Radeon HD 4870 X2: 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 Plus Graphics 640
2017Why buy it
- ✅Draws 15W instead of 286W, a 271W reduction.
- ✅More future proof: Generation 9.5 (2016−2020) on 14nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 1 GB for high-resolution textures and newer games.
- ❌2017 hardware with Unknown 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 2.4 G3D/$ (Unknown MSRP vs $550 MSRP).
Radeon HD 4870 X2
2008Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 2.4 vs 0 G3D/$ ($550 MSRP vs Unknown MSRP).
- ✅100+% more VRAM for high-resolution textures and newer games (1 GB vs Unknown).
- ✅Iris Plus Graphics 640 is already obsolete for modern gaming, so Radeon HD 4870 X2 is the less risky modern option long term.
Trade-offs
- ❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌1806.7% higher power demand at 286W vs 15W.
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Iris Plus Graphics 640 vs Radeon HD 4870 X2 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Iris Plus Graphics 640
The Iris Plus Graphics 640 is manufactured by Intel. It was released in January 3 2017. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1100 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm++ process technology. G3D Mark benchmark score: 1,353 points.
Radeon HD 4870 X2
The Radeon HD 4870 X2 is manufactured by AMD. It was released in August 12 2008. It features the TeraScale architecture. The core clock speed is 700 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 286W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,309 points. Launch price was $550.
Graphics Performance
The Iris Plus Graphics 640 scores 1,353 and the Radeon HD 4870 X2 reaches 1,309 in the G3D Mark benchmark — just a 3.4% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 640 is built on Generation 9.5 while the Radeon HD 4870 X2 uses TeraScale, both on 14 nm++ vs 55 nm. Shader units: 384 (Iris Plus Graphics 640) vs 800 (Radeon HD 4870 X2). Raw compute: 0.8448 TFLOPS (Iris Plus Graphics 640) vs 1.12 TFLOPS ×2 (Radeon HD 4870 X2).
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| G3D Mark Score | 1,353+3% | 1,309 |
| Architecture | Generation 9.5 | TeraScale |
| Process Node | 14 nm++ | 55 nm |
| Shading Units | 384 | 800 ×2+108% |
| Compute (TFLOPS) | 0.8448 TFLOPS | 1.12 TFLOPS ×2+33% |
| ROPs | 6 | 16 ×2+167% |
| TMUs | 48+20% | 40 ×2 |
Advanced Features (DLSS/FSR)
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| 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 Plus Graphics 640 has 0 MB of VRAM, while the Radeon HD 4870 X2 carries 1 GB. Radeon HD 4870 X2 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 Plus Graphics 640 and 64-bit on the Radeon HD 4870 X2.
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 1 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 64-bit |
Display & API Support
DirectX support: 12 (12_1) (Iris Plus Graphics 640) vs 10.1 (Radeon HD 4870 X2). OpenGL: 4.6 vs 3.3. Maximum simultaneous displays: 3 vs 2.
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| DirectX | 12 (12_1)+19% | 10.1 |
| OpenGL | 4.6+39% | 3.3 |
| Max Displays | 3+50% | 2 |
Media & Encoding
Decoder: Quick Sync Video vs UVD 2. Supported codecs: H.264,H.265,VP8,VP9 (Iris Plus Graphics 640) vs H.264,VC-1,MPEG-4,DivX (Radeon HD 4870 X2).
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| Encoder | Quick Sync Video | — |
| Decoder | Quick Sync Video | UVD 2 |
| Codecs | H.264,H.265,VP8,VP9 | H.264,VC-1,MPEG-4,DivX |
Power & Dimensions
The Iris Plus Graphics 640 draws 15W versus the Radeon HD 4870 X2's 286W — a 180.1% difference. The Iris Plus Graphics 640 is more power-efficient. Recommended PSU: 0W (Iris Plus Graphics 640) vs 650W (Radeon HD 4870 X2). Power connectors: None vs 1x 6-pin + 1x 8-pin. Card length: 0mm vs 267mm, occupying 0 vs 2 slots. Typical load temperature: 80 vs 90°C.
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| TDP | 15W-95% | 286W |
| Recommended PSU | 0W-100% | 650W |
| Power Connector | None | 1x 6-pin + 1x 8-pin |
| Length | 0mm | 267mm |
| Height | 0mm | — |
| Slots | 0-100% | 2 |
| Temp (Load) | 80-11% | 90°C |
| Perf/Watt | 90.2+1861% | 4.6 |
Value Analysis
At launch, the Iris Plus Graphics 640 came in at $0, while the Radeon HD 4870 X2 launched at $550. On MSRP, Iris Plus Graphics 640 was 100+% cheaper ($550 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Iris Plus Graphics 640) vs 2.4 (Radeon HD 4870 X2) — the Iris Plus Graphics 640 offers Infinity% better value. The newer card here is Iris Plus Graphics 640 (2017 vs 2008).
| Feature | Iris Plus Graphics 640 | Radeon HD 4870 X2 |
|---|---|---|
| MSRP | $0-100% | $550 |
| Performance per Dollar | Infinity | 2.4 |
| Codename | Kaby Lake GT3e | R700 |
| Release | January 3 2017 | August 12 2008 |
| Ranking | #767 | #796 |
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