Radeon RX 640
UHD Graphics Xe 750 32EUs (Rocket Lake)
Radeon RX 640 vs UHD Graphics Xe 750 32EUs (Rocket Lake) 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 RX 640 vs UHD Graphics Xe 750 32EUs (Rocket Lake) 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
Radeon RX 640 vs UHD Graphics Xe 750 32EUs (Rocket Lake): 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 RX 640
2019Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 13.7 vs 0 G3D/$ ($159 MSRP vs Unknown MSRP).
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅100+% more VRAM for high-resolution textures and newer games (4 GB vs Unknown).
- ✅UHD Graphics Xe 750 32EUs (Rocket Lake) is already obsolete for modern gaming, so Radeon RX 640 is the less risky modern option long term.
Trade-offs
- ❌Older hardware, 4 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌233.3% higher power demand at 50W vs 15W.
UHD Graphics Xe 750 32EUs (Rocket Lake)
2021Why buy it
- ✅Draws 15W instead of 50W, a 35W reduction.
Trade-offs
- ❌Less VRAM, with Unknown vs 4 GB for high-resolution textures and newer games.
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌2021 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 13.7 G3D/$ (Unknown MSRP vs $159 MSRP).
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Radeon RX 640 vs UHD Graphics Xe 750 32EUs (Rocket Lake) Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Radeon RX 640
The Radeon RX 640 is manufactured by AMD. It was released in May 13 2019. It features the GCN 4.0 architecture. The core clock ranges from 1082 MHz to 1218 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,172 points.
UHD Graphics Xe 750 32EUs (Rocket Lake)
The UHD Graphics Xe 750 32EUs (Rocket Lake) is manufactured by Intel. It was released in March 30 2021. It features the Gen. 12 architecture. The core clock ranges from 350 MHz to 1450 MHz. It has 32 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,200 points.
Graphics Performance
The Radeon RX 640 scores 2,172 and the UHD Graphics Xe 750 32EUs (Rocket Lake) reaches 2,200 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The Radeon RX 640 is built on GCN 4.0 while the UHD Graphics Xe 750 32EUs (Rocket Lake) uses Gen. 12, both on a 14 nm process. Shader units: 640 (Radeon RX 640) vs 32 (UHD Graphics Xe 750 32EUs (Rocket Lake)). Boost clocks: 1218 MHz vs 1450 MHz.
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| G3D Mark Score | 2,172 | 2,200+1% |
| Architecture | GCN 4.0 | Gen. 12 |
| Process Node | 14 nm | 14 nm |
| Shading Units | 640+1900% | 32 |
| Boost Clock | 1218 MHz | 1450 MHz+19% |
Advanced Features (DLSS/FSR)
The clearest feature edge for the Radeon RX 640 is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The UHD Graphics Xe 750 32EUs (Rocket Lake) does not have comparable native support in the same tier.
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| Upscaling Tech | FSR 3 | Upscaling support |
| Frame Generation | FSR Frame Generation + AFMF | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon RX 640 has 4 GB of VRAM, while the UHD Graphics Xe 750 32EUs (Rocket Lake) carries 0 MB. Radeon RX 640 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon RX 640 and System on the UHD Graphics Xe 750 32EUs (Rocket Lake).
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| VRAM Capacity | 4 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 12 (FL 12_0) (Radeon RX 640) vs 12 (12_1) (UHD Graphics Xe 750 32EUs (Rocket Lake)). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 3.
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| DirectX | 12 (FL 12_0) | 12 (12_1) |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 6+100% | 3 |
Media & Encoding
Hardware encoder: VCE 3.4 (Radeon RX 640) vs Quick Sync Video (Xe) (UHD Graphics Xe 750 32EUs (Rocket Lake)). Decoder: UVD 6.3 vs Quick Sync Video (Xe). Supported codecs: H.264,H.265/HEVC (Radeon RX 640) vs AV1,H.265/HEVC,H.264,VP9,MJPEG,MPEG-2 (UHD Graphics Xe 750 32EUs (Rocket Lake)).
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| Encoder | VCE 3.4 | Quick Sync Video (Xe) |
| Decoder | UVD 6.3 | Quick Sync Video (Xe) |
| Codecs | H.264,H.265/HEVC | AV1,H.265/HEVC,H.264,VP9,MJPEG,MPEG-2 |
Power & Dimensions
The Radeon RX 640 draws 50W versus the UHD Graphics Xe 750 32EUs (Rocket Lake)'s 15W — a 107.7% difference. The UHD Graphics Xe 750 32EUs (Rocket Lake) is more power-efficient. Recommended PSU: 350W (Radeon RX 640) vs 1W (UHD Graphics Xe 750 32EUs (Rocket Lake)). Power connectors: PCIe-powered vs Integrated.
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| TDP | 50W | 15W-70% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | PCIe-powered | Integrated |
| Slots | 1 | 0-100% |
| Temp (Load) | — | 75°C |
| Perf/Watt | 43.4 | 146.7+238% |
Value Analysis
At launch, the Radeon RX 640 came in at $159, while the UHD Graphics Xe 750 32EUs (Rocket Lake) launched at $0. On MSRP, UHD Graphics Xe 750 32EUs (Rocket Lake) was 100+% cheaper ($159 less). Performance per dollar on MSRP (G3D Mark / MSRP): 13.7 (Radeon RX 640) vs Infinity (UHD Graphics Xe 750 32EUs (Rocket Lake)) — the UHD Graphics Xe 750 32EUs (Rocket Lake) offers Infinity% better value. The newer card here is UHD Graphics Xe 750 32EUs (Rocket Lake) (2021 vs 2019).
| Feature | Radeon RX 640 | UHD Graphics Xe 750 32EUs (Rocket Lake) |
|---|---|---|
| MSRP | $159 | $0-100% |
| Performance per Dollar | 13.7 | Infinity |
| Codename | Polaris 23 | Rocket Lake Xe |
| Release | May 13 2019 | March 30 2021 |
| Ranking | #665 | #809 |
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