AMD Radeon PRO W7900D vs Intel Arc Graphics 1 Xe Mobile Comparison

FAQ

Q: What are the architectural generations of these two GPUs?

A: The AMD Radeon PRO W7900D is built on RDNA 3.0 architecture, specifically the Navi 31 chip with the codename Plum Bonito, part of the Radeon Pro Navi (Navi III Series). The Intel Arc Graphics 1 Xe Mobile uses Xe3-LPG architecture with the Wildcat Lake chip, part of the Arc Graphics-M (Wildcat Lake) generation.

Q: How do the manufacturing processes compare?

A: The AMD Radeon PRO W7900D uses a 5 nm process from TSMC with 57,700 million transistors on a 529 mm² die, yielding a transistor density of 109.1M per mm². The Intel Arc Graphics 1 Xe Mobile uses a 3 nm process from Intel, though its transistor count and die size are recorded as unknown.

Q: What memory configurations do these GPUs support?

A: The AMD Radeon PRO W7900D has 48 GB of GDDR6 memory on a 384 bit bus, with 864.0 GB/s of bandwidth and a memory clock of 2250 MHz (18 Gbps effective). The Intel Arc Graphics 1 Xe Mobile uses system shared memory, with the bus width listed as system shared and bandwidth noted as system dependent.

Q: What are the power requirements for each?

A: The AMD Radeon PRO W7900D has a TDP of 295 W, uses two 8-pin power connectors, and requires a 600 W suggested PSU. The Intel Arc Graphics 1 Xe Mobile has a 25 W TDP, requires no power connectors, and has no suggested PSU listed.

Q: Which API versions do both support?

A: Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, indicating parity in modern API compatibility despite their very different performance classes.

Q: What are the release dates recorded in the database?

A: The AMD Radeon PRO W7900D has a release date of 2025-09-24, while the Intel Arc Graphics 1 Xe Mobile has a release date of 2026-04-15. Both are listed as Active in production status.

Architecture Differences

The AMD Radeon PRO W7900D and Intel Arc Graphics 1 Xe Mobile represent opposite ends of the GPU spectrum, and their architectural differences reflect entirely different design goals. The Radeon PRO W7900D uses the Navi 31 chip with RDNA 3.0 architecture, built on a 5 nm TSMC process. The chip contains 57,700 million transistors packed into a 529 mm² die. The Intel part uses the Wildcat Lake chip with Xe3-LPG architecture on Intel's 3 nm process, though the database records its transistor count and die size as unknown.

The compute resources differ by orders of magnitude. The AMD GPU has 6,144 shading units, 384 texture mapping units, and 192 raster operations pipelines. The Intel GPU has 128 shading units, 8 TMUs, and 4 ROPs. Ray tracing hardware also differs substantially: the Radeon PRO W7900D carries 96 RT cores, while the Intel Arc Graphics 1 Xe Mobile has just 1 RT core.

Clock behavior tells a different story. The AMD part has a base clock of 1327 MHz and a boost clock of 2156 MHz. The Intel part has a much lower base clock of 300 MHz but a higher boost clock of 2300 MHz. The Intel boost clock being higher than the AMD boost clock is notable, though the massive difference in shader count means the AMD part still delivers vastly more throughput.

Memory architecture could hardly be more different. The Radeon PRO W7900D uses dedicated 48 GB of GDDR6 on a 384 bit bus with 864.0 GB/s bandwidth. The Intel Arc Graphics 1 Xe Mobile relies entirely on system shared memory, with bandwidth recorded as system dependent. This is a fundamental design split between a professional workstation card with dedicated high-bandwidth memory and an integrated mobile GPU that borrows from the host system.

The form factors align with their intended use. The AMD card is triple-slot, 280 mm long, 110 mm high, and 51 mm wide, requiring two 8-pin power connectors. The Intel part is an IGP with no power connectors and dimensions recorded as not applicable. The AMD card's display outputs include 3x DisplayPort 2.1 and 1x mini-DisplayPort 2.1, while the Intel GPU's outputs are listed as portable device dependent.

Head-to-Head Benchmarks

The database shows no direct head-to-head benchmark entries between these two GPUs, and the win counts are zero for both sides. The absence of comparative benchmark data does not diminish what the specification differences imply, but the analysis must rely on the recorded specifications rather than measured performance scores.

The raw throughput numbers are stark. The AMD Radeon PRO W7900D delivers 52.99 TFLOPS of FP32 compute and 52.99 TFLOPS of FP16 compute with a 1:1 ratio. The Intel Arc Graphics 1 Xe Mobile delivers 588.8 GFLOPS of FP32 and 1,177.6 GFLOPS of FP16 with a 2:1 ratio. Converting the Intel numbers to the same units, the AMD part offers roughly 90 times the FP32 throughput.

Pixel and texture rates follow the same pattern. The AMD GPU records a pixel rate of 414.0 GPixel/s and a texture rate of 827.9 GTexel/s. The Intel GPU records 9.200 GPixel/s and 18.40 GTexel/s. The AMD card is approximately 45 times faster in pixel throughput and approximately 45 times faster in texture throughput.

Memory bandwidth is another massive differentiator. The AMD card's 864.0 GB/s of dedicated bandwidth cannot be matched by a system shared configuration, whose bandwidth is explicitly listed as system dependent. The Intel part has no fixed bandwidth figure because it depends entirely on the host platform.

Both GPUs are recorded at the 50th percentile versus all GPUs in the database, and both have an average benchmark score of 0. The percentile values being identical suggest the database has not yet accumulated differentiated performance data for either part, which makes the specification comparison the primary analytical tool available.

Specification Differences

| Specification | AMD Radeon PRO W7900D | Intel Arc Graphics 1 Xe Mobile |

|---|---|---|

| Architecture | RDNA 3.0 | Xe3-LPG |

| Chip | Navi 31 | Wildcat Lake |

| Process Node | 5 nm (TSMC) | 3 nm (Intel) |

| Transistors | 57,700 million | unknown |

| Die Size | 529 mm² | unknown |

| Transistor Density | 109.1M / mm² | null |

| Base Clock | 1327 MHz | 300 MHz |

| Boost Clock | 2156 MHz | 2300 MHz |

| Memory Size | 48 GB GDDR6 | System Shared |

| Memory Bus | 384 bit | System Shared |

| Memory Bandwidth | 864.0 GB/s | System Dependent |

| Shading Units | 6144 | 128 |

| TMUs | 384 | 8 |

| ROPs | 192 | 4 |

| RT Cores | 96 | 1 |

| Pixel Rate | 414.0 GPixel/s | 9.200 GPixel/s |

| Texture Rate | 827.9 GTexel/s | 18.40 GTexel/s |

| FP32 | 52.99 TFLOPS | 588.8 GFLOPS |

| FP16 | 52.99 TFLOPS (1:1) | 1,177.6 GFLOPS (2:1) |

| TDP | 295 W | 25 W |

| Slot Width | Triple-slot | IGP |

| Power Connectors | 2x 8-pin | None |

| Suggested PSU | 600 W | null |

| Bus Interface | PCIe 4.0 x16 | IGP |

| Display Outputs | 3x DisplayPort 2.1, 1x mini-DisplayPort 2.1 | Portable Device Dependent |

| Dimensions | 280 mm x 110 mm x 51 mm | null |

| Predecessor | Radeon Pro Vega | HD Graphics-M |

| Release Date | 2025-09-24 | 2026-04-15 |

The specification table shows every field where the two GPUs differ. There are no fields where they match except for API support, production status, and percentile rank. The predecessor records are also telling: the AMD card succeeds the Radeon Pro Vega, while the Intel part succeeds HD Graphics-M, indicating the Intel product's lineage in the integrated graphics space.

The shared APIs (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4) and the absence of tensor core data for both parts are the only notable commonalities beyond basic production status.

Where Each One Wins

The AMD Radeon PRO W7900D wins decisively in every compute-related category recorded in the database. Its 52.99 TFLOPS FP32 performance dwarfs the Intel part's 588.8 GFLOPS. Its 414.0 GPixel/s pixel rate and 827.9 GTexel/s texture rate are roughly 45 times higher than the Intel part's 9.200 GPixel/s and 18.40 GTexel/s. The 48 GB of GDDR6 memory with 864.0 GB/s bandwidth provides dedicated capacity that the Intel solution cannot offer with system shared memory.

The AMD card also wins on memory capacity and bandwidth by construction. The 384 bit bus and 864.0 GB/s bandwidth are fixed specifications, whereas the Intel GPU's performance depends on the host system's memory configuration. The Radeon PRO W7900D's 96 RT cores versus 1 RT core gives it a massive advantage in ray tracing workloads, though no benchmark data exists to quantify the real-world impact.

The Intel Arc Graphics 1 Xe Mobile wins on power efficiency and physical integration. Its 25 W TDP is dramatically lower than the AMD card's 295 W, a difference of 270 W. It requires no power connectors, no suggested PSU, and fits as an IGP with no dimensions recorded. The Intel part also has a higher boost clock at 2300 MHz versus 2156 MHz, meaning its smaller compute array runs at a faster peak frequency. The 3 nm Intel process gives it a manufacturing node advantage over the AMD card's 5 nm TSMC process.

The Intel GPU's system shared memory model is an advantage in simplicity, since it requires no dedicated VRAM allocation and can scale with the host system's memory capacity. The AMD card's fixed 48 GB allocation cannot be expanded, though it does not need to be for most workloads.

The Verdict

The recorded data points to two completely different product categories. The AMD Radeon PRO W7900D is a professional workstation GPU with dedicated 48 GB GDDR6 memory, 52.99 TFLOPS FP32 compute, 96 RT cores, and a 295 W TDP. The Intel Arc Graphics 1 Xe Mobile is an integrated mobile GPU with 128 shading units, 588.8 GFLOPS FP32 compute, 1 RT core, and a 25 W TDP.

For workloads that demand raw compute throughput, dedicated high-bandwidth memory, and ray tracing capability, the AMD Radeon PRO W7900D is the only choice supported by the data. Its 52.99 TFLOPS FP32 figure, 864.0 GB/s memory bandwidth, and 48 GB capacity place it in a performance class the Intel part cannot approach.

For mobile systems where power consumption and physical footprint are the binding constraints, the Intel Arc Graphics 1 Xe Mobile fits. Its 25 W TDP, IGP form factor, and no power connector requirement make it suitable for portable devices, with display outputs listed as portable device dependent. The 3 nm process node and 2300 MHz boost clock show an emphasis on efficiency within a constrained power envelope.

The release dates place the AMD card in September 2025 and the Intel part in April 2026, so the Intel GPU arrives later in the timeline. Both maintain Active production status and support the same modern API set. The absence of head-to-head benchmark entries means the verdict rests on specification analysis, but those specifications are unambiguous in their implications. The AMD part is built for maximum compute and memory performance; the Intel part is built for integration and minimal power draw.