AMD Instinct MI308X vs Intel Arc Graphics 2 Xe Mobile Comparison

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark results for the AMD Instinct MI308X and the Intel Arc Graphics 2 Xe Mobile. Both entries show an average benchmark score of zero, and the wins counter reads 0 for each side. This absence of measured data is itself informative: the two products occupy such different positions in the hardware landscape that no direct comparison run has been logged.

The AMD Instinct MI308X posts a raw FP32 throughput of 81.72 TFLOPS, while the Intel part delivers 1,280.0 GFLOPS. That places the AMD accelerator roughly 63.8 times ahead in single-precision compute. The FP16 comparison shows 81.72 TFLOPS (1:1) for the Instinct against 2.560 TFLOPS (2:1) for the Arc, a margin of about 31.9 times. Texture rate differs by a factor of roughly 63.8 as well, with 2,553.6 GTexel/s versus 40.00 GTexel/s. Pixel rate tells a different story: the Instinct reports 0 MPixel/s because it has zero ROPs, while the Intel part reaches 20.00 GPixel/s from its 8 ROPs.

Neither product shows a percentile advantage over all GPUs in the database; both sit at the 50th percentile with no nearest rivals listed. The absence of rival data means the database offers no external anchor points for interpreting these numbers. The only valid comparison is internal, between the two specification sheets themselves.

The clock behavior also inverts expectations. The AMD part runs at a 1000 MHz base and boosts to 2100 MHz. The Intel part starts at 300 MHz base but reaches 2500 MHz boost, a 19% higher peak frequency. That higher boost clock does little to close the compute gap because the underlying execution resources are vastly different in scale.

Architecture Differences

The AMD Instinct MI308X uses the CDNA 3.0 architecture on the Aqua Vanjaram chip, fabricated on a 5 nm process at TSMC. The Intel Arc Graphics 2 Xe Mobile uses the Xe3-LPG architecture on the Wildcat Lake chip, built on a 3 nm process at Intel. The manufacturing node difference is substantial, with Intel's 3 nm process being the more advanced of the two, though transistor counts cannot be compared because Intel's figure is listed as unknown.

The AMD chip integrates 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4 million transistors per square millimeter. The Intel chip does not disclose die size or transistor density. The scale difference is stark: the Instinct die is a giant accelerator slab, while the Arc part is an integrated graphics processor.

Shading units differ by a factor of 76: the Instinct packs 19,456 shading units against the Arc's 256. Texture mapping units stand at 1,216 versus 16. ROPs show the opposite pattern, with 0 on the AMD side and 8 on the Intel side. The Instinct has no ray tracing cores listed, while the Arc includes 2 RT cores. Neither product lists tensor cores.

Memory architecture could hardly be more different. The Instinct features 192 GB of HBM3 on a 8192-bit bus, delivering 5.32 TB/s of bandwidth with a memory clock of 1300 MHz (5.2 Gbps effective). The Arc uses System Shared memory, meaning it draws on the host system's RAM with bus width and bandwidth listed as System Shared and System Dependent respectively. That dependency means the Arc's memory performance is not fixed; it scales with whatever platform it sits in.

The API support also separates the two. The Instinct lists N/A for DirectX, OpenGL, and Vulkan. The Arc supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Instinct is a compute accelerator with no display outputs, while the Arc is an integrated GPU with display outputs described as Portable Device Dependent. The Instinct's slot width is OAM Module with no power connectors; the Arc is an IGP with no power connectors as well, but its 25 W TDP means it draws from the motherboard rather than a dedicated power input.

The bus interface also differs: PCIe 5.0 x16 for the Instinct versus IGP for the Arc. The Instinct carries a suggested PSU rating of 1150 W, while the Arc lists none.

Where Each One Wins

The AMD Instinct MI308X wins decisively in raw compute throughput. Its FP32 figure of 81.72 TFLOPS is the headline number, and its FP16 output matches it at 81.72 TFLOPS (1:1), meaning it does not rely on half-precision boost tricks. The texture rate of 2,553.6 GTexel/s indicates heavy fill-rate work is feasible. The 192 GB HBM3 memory with 5.32 TB/s bandwidth positions it for workloads that need massive in-memory datasets, such as large model inference or scientific simulation. The 8192-bit bus width is a strong indicator of memory-bound compute capability.

The Intel Arc Graphics 2 Xe Mobile wins in power efficiency and integration. Its 25 W TDP is 30 times lower than the Instinct's 750 W. The boost clock of 2500 MHz exceeds the Instinct's 2100 MHz, which suggests the smaller Intel chip can scale frequency more aggressively within its thermal envelope. The 2 RT cores give it hardware ray tracing capability that the Instinct lacks entirely. The 8 ROPs and 20.00 GPixel/s pixel rate enable actual rasterization output, something the Instinct cannot do with its 0 MPixel/s rate. The Arc also supports a full graphics API stack, including DirectX 12 Ultimate and Vulkan 1.4, whereas the Instinct exposes no graphics APIs.

The Instinct has no display outputs, so it cannot drive a monitor. The Arc is designed for portable devices and can output to a display. The Instinct requires a 1150 W suggested PSU and an OAM slot; the Arc needs neither, functioning as a low-power integrated solution.

In terms of release timing, the Instinct launched on 2023-12-05, while the Arc is dated 2026-04-15. The Arc is listed as Active production status; the Instinct has no production status listed. The Instinct's predecessor is Radeon Instinct, and the Arc's predecessor is HD Graphics-M. These lineage notes suggest the Instinct continues an accelerator line while the Arc carries forward an integrated graphics heritage.

FAQ

Q: Which product has higher FP32 compute performance?

A: The AMD Instinct MI308X delivers 81.72 TFLOPS in FP32, while the Intel Arc Graphics 2 Xe Mobile delivers 1,280.0 GFLOPS. The AMD part is approximately 63.8 times faster in single-precision floating-point work.

Q: Can the AMD Instinct MI308X output video to a display?

A: No. The Instinct lists display outputs as "No outputs" and shows a pixel rate of 0 MPixel/s with zero ROPs. It is a compute-only accelerator. The Intel Arc Graphics 2 Xe Mobile, by contrast, has display outputs described as "Portable Device Dependent" and reaches 20.00 GPixel/s.

Q: What memory configurations do the two products use?

A: The Instinct uses 192 GB of HBM3 with an 8192-bit bus and 5.32 TB/s bandwidth. The Arc uses System Shared memory, meaning it relies on the host system's RAM, with bandwidth listed as System Dependent.

Q: How do the power requirements compare?

A: The Instinct has a TDP of 750 W and a suggested PSU rating of 1150 W. The Arc has a TDP of 25 W and no suggested PSU listed, as it is an integrated graphics processor.

Q: Do both products support ray tracing?

A: No. The Intel Arc Graphics 2 Xe Mobile includes 2 RT cores and supports DirectX 12 Ultimate, which includes ray tracing features. The AMD Instinct MI308X lists no RT cores and shows N/A for DirectX, OpenGL, and Vulkan support.

Q: Which product has a higher boost clock?

A: The Intel Arc Graphics 2 Xe Mobile boosts to 2500 MHz, which is higher than the AMD Instinct MI308X's boost of 2100 MHz. The Instinct has a higher base clock at 1000 MHz versus the Arc's 300 MHz.

The Verdict

The data separates these two products cleanly into distinct roles. The AMD Instinct MI308X is a server-class compute accelerator built for maximum throughput. Its 81.72 TFLOPS FP32, 5.32 TB/s memory bandwidth, and 192 GB capacity make it suitable for large-scale data processing, machine learning training, and high-performance simulation workloads where power draw and physical footprint are secondary concerns. Its 750 W TDP and 1150 W suggested PSU confirm that it demands a dedicated server environment with substantial power delivery.

The Intel Arc Graphics 2 Xe Mobile is a low-power integrated GPU for portable devices. Its 25 W TDP, 300 MHz base clock, and System Shared memory indicate a design focused on battery efficiency and space savings. The 2 RT cores and support for DirectX 12 Ultimate and Vulkan 1.4 give it modern graphics features for everyday rendering, media playback, and light gaming. Its 2500 MHz boost clock shows it can scale up when thermal headroom allows, but the 40.00 GTexel/s texture rate and 20.00 GPixel/s pixel rate place it firmly in the entry-level integrated segment.

The choice between them depends entirely on the workload context. For compute-bound tasks requiring massive memory capacity and raw floating-point throughput, the Instinct is the only option between these two. For consumer or mobile use cases requiring display output, graphics API compatibility, and low power consumption, the Arc is the only viable selection. The Instinct cannot render frames, and the Arc cannot approach the Instinct's compute scale. Neither product can substitute for the other.

The release date gap, with the Instinct from 2023 and the Arc from 2026, also suggests the Arc benefits from three additional years of process technology and architecture evolution, though the fundamental design goals remain so different that direct comparison has little practical meaning.

Specification Differences

The two products differ in nearly every measurable specification field.

• Chip: AMD uses Aqua Vanjaram; Intel uses Wildcat Lake.
• Architecture: CDNA 3.0 versus Xe3-LPG.
• Generation: Instinct (MIx) versus Arc Graphics-M (Wildcat Lake).
• Process node: 5 nm (TSMC) versus 3 nm (Intel).
• Transistors: 153,000 million versus unknown.
• Die size: 1017 mm² versus unknown.
• Transistor density: 150.4M / mm² versus null.
• Base clock: 1000 MHz versus 300 MHz.
• Boost clock: 2100 MHz versus 2500 MHz.
• Memory clock: 1300 MHz (5.2 Gbps effective) versus System Shared.
• Memory size: 192 GB versus System Shared.
• Memory type: HBM3 versus System Shared.
• Bus width: 8192 bit versus System Shared.
• Bandwidth: 5.32 TB/s versus System Dependent.
• Shading units: 19,456 versus 256.
• TMUs: 1,216 versus 16.
• ROPs: 0 versus 8.
• RT cores: null versus 2.
• Pixel rate: 0 MPixel/s versus 20.00 GPixel/s.
• Texture rate: 2,553.6 GTexel/s versus 40.00 GTexel/s.
• FP32: 81.72 TFLOPS versus 1,280.0 GFLOPS.
• FP16: 81.72 TFLOPS (1:1) versus 2.560 TFLOPS (2:1).
• TDP: 750 W versus 25 W.
• Slot width: OAM Module versus IGP.
• Power connectors: None for both, but the Instinct lists a suggested PSU of 1150 W; the Arc lists none.
• Bus interface: PCIe 5.0 x16 versus IGP.
• Display outputs: No outputs versus Portable Device Dependent.
• APIs: DirectX N/A, OpenGL N/A, Vulkan N/A versus DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4.
• Production status: null versus Active.
• Release date: 2023-12-05 versus 2026-04-15.
• Predecessor: Radeon Instinct versus HD Graphics-M.
• Launch MSRP: Neither product lists a launch MSRP in the database.

The shared fields are few: both have no power connectors, both have no listed dimensions, both have no tensor cores, and both sit at the 50th percentile in the database with an average benchmark score of zero. Those commonalities are superficial. The specification sheets otherwise describe two products with no functional overlap.