AMD Radeon Instinct MI308X vs Intel Arc Pro B70 Comparison

AMD Radeon Instinct MI308X and Intel Arc Pro B70 occupy different corners of the GPU market, with the MI308X built as a data center compute module and the Arc Pro B70 as a professional graphics card. The recorded data shows no overlapping benchmark results, no head-to-head test scores, and no nearest rival comparisons, so the analysis must rely entirely on the specification sheets. The MI308X targets massive compute workloads with 192 GB of HBM3 memory, while the Arc Pro B70 delivers a more conventional 32 GB GDDR6 configuration with display outputs. Both use a 5 nm TSMC process, but the similarities end there. The MI308X has a die size of 1017 mm², while the Arc Pro B70 measures 368 mm², a substantial difference that reflects their distinct design goals. The MI308X draws 750 W as an OAM Module, whereas the Arc Pro B70 consumes 230 W in a Dual-slot form factor with a single 8-pin power connector. The launch MSRP for the Arc Pro B70 is 949 USD; the MI308X has no recorded launch MSRP.

Head-to-Head Benchmarks

The database contains zero head-to-head benchmark entries for this pair, and neither card has any individual benchmark scores recorded. The wins count sits at zero for both sides, and the average benchmark score for each is zero. The percentile versus all GPUs is 50 for both, which places them in the same percentile band despite the enormous specification differences. Without measured performance data, the direct comparison must be inferred from the recorded hardware parameters.

The MI308X delivers 81.72 TFLOPS of FP32 compute, while the Arc Pro B70 provides 22.94 TFLOPS. That is a 3.56x advantage for the AMD part in single-precision floating point throughput. In FP16, the gap widens dramatically: the MI308X lists 653.7 TFLOPS (8:1), while the Arc Pro B70 lists 45.88 TFLOPS (2:1). The AMD card offers 14.25x the half-precision throughput, though the ratio notation differs, with the MI308X using an 8:1 rate and the Arc Pro B70 using a 2:1 rate. Texture rate shows a 3.56x delta as well, with the MI308X at 2,553.6 GTexel/s versus 716.8 GTexel/s for the Intel card. The pixel rate tells a different story: the MI308X records 0 MPixel/s because it has 0 ROPs, while the Arc Pro B70 delivers 358.4 GPixel/s from its 128 ROPs.

Memory bandwidth is another major differentiator. The MI308X has 10.3 TB/s of bandwidth across an 8192-bit bus with HBM3 memory, while the Arc Pro B70 manages 608.0 GB/s over a 256-bit bus with GDDR6. That is a 16.9x difference in raw memory throughput. The MI308X carries 192 GB of memory versus 32 GB on the Arc Pro B70, a 6x capacity advantage. Clock speeds favor the Intel part: the Arc Pro B70 has a base clock of 2280 MHz and a boost clock of 2800 MHz, while the MI308X runs at 1000 MHz base and 2100 MHz boost. The memory clock shows 2375 MHz with 19 Gbps effective on the Intel card versus 2525 MHz with 10.1 Gbps effective on the AMD card.

FAQ

Q: Which card has more shading units?

A: The AMD Radeon Instinct MI308X has 19,456 shading units, while the Intel Arc Pro B70 has 4,096 shading units. The MI308X also has 1,216 texture mapping units versus 256 on the Arc Pro B70.

Q: Do both cards support PCIe 5.0?

A: Yes, both list PCIe 5.0 x16 as their bus interface. The MI308X uses an OAM Module slot width, while the Arc Pro B70 uses a Dual-slot design.

Q: Can either card output to a display?

A: Only the Intel Arc Pro B70 has display outputs, with 1x HDMI 2.1a and 3x DisplayPort 2.1. The AMD MI308X lists no outputs, consistent with its data center compute orientation.

Q: What is the transistor count difference?

A: The MI308X has 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4M per mm². The Arc Pro B70 has an unknown transistor count on a 368 mm² die.

Q: Which card has higher memory clock speed?

A: The MI308X lists a memory clock of 2525 MHz with 10.1 Gbps effective, while the Arc Pro B70 lists 2375 MHz with 19 Gbps effective. The effective data rate is higher on the Intel card, but the AMD card achieves far greater total bandwidth due to its 8192-bit bus.

Q: What API support does each card provide?

A: The Intel Arc Pro B70 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD MI308X has no API support fields recorded in the database.

Architecture Differences

The MI308X uses the Aqua Vanjaram chip with CDNA 3.0 architecture from the Radeon Instinct generation, released on 2023-12-05. The Arc Pro B70 uses the BMG-G31 chip with Xe2-HPG architecture from the Battlemage Pro Series generation, with a release date of 2026-03-25. Both are fabricated on a 5 nm TSMC process, which is the only major manufacturing similarity. The MI308X predecessor is listed as FirePro Data Center, while the Arc Pro B70 has no recorded predecessor.

The MI308X has no ROPs, which explains its 0 MPixel/s pixel rate. It also has no recorded RT cores or tensor cores. The Arc Pro B70 has 128 ROPs and 32 RT cores, enabling a 358.4 GPixel/s pixel rate. The shading unit count differs by 15,360 units, with the MI308X at 19,456 and the Arc Pro B70 at 4,096. Texture mapping units differ by 960, with 1,216 on the AMD card and 256 on the Intel card.

Memory architecture diverges completely. The MI308X uses HBM3 with 192 GB capacity, an 8192-bit bus, and 10.3 TB/s bandwidth. The Arc Pro B70 uses GDDR6 with 32 GB capacity, a 256-bit bus, and 608.0 GB/s bandwidth. The MI308X memory clock is 2525 MHz with 10.1 Gbps effective, while the Arc Pro B70 runs at 2375 MHz with 19 Gbps effective. The effective data rate per pin is higher on the Intel card, but the AMD card's 32x wider bus overwhelms that advantage in total throughput.

Power delivery and physical design differ as well. The MI308X has a TDP of 750 W, uses an OAM Module slot, has no power connectors listed, and requires a suggested PSU of 1150 W. The Arc Pro B70 has a TDP of 230 W, uses a Dual-slot design, has a single 8-pin power connector, and requires a suggested PSU of 550 W. The Arc Pro B70 has recorded dimensions of 267 mm length, 110 mm height, and 39 mm width. The MI308X has no recorded dimensions. The Arc Pro B70 also has display outputs, while the MI308X has none.

The Verdict

The recorded data supports a clear split by intended use. For compute workloads that rely on FP32, FP16, texture throughput, and massive memory capacity, the MI308X is the stronger part. Its 81.72 TFLOPS FP32 and 653.7 TFLOPS FP16 far exceed the Arc Pro B70's 22.94 TFLOPS and 45.88 TFLOPS. The 192 GB HBM3 pool with 10.3 TB/s bandwidth gives it a 6x capacity and 16.9x bandwidth advantage over the 32 GB GDDR6 configuration. The MI308X also has 19,456 shading units and 1,216 TMUs, which are 4.75x and 4.75x the Intel card's counts, respectively.

For graphics output, rendering, and workstation display tasks, the Arc Pro B70 is the only viable option between the two. The MI308X has no display outputs and no ROPs, making it incapable of pixel generation. The Arc Pro B70 provides 128 ROPs, 32 RT cores, and 358.4 GPixel/s pixel rate, along with HDMI 2.1a and DisplayPort 2.1 outputs. Its API support includes DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, none of which are recorded for the MI308X.

The power envelope reinforces the positioning. The MI308X demands 750 W with a 1150 W suggested PSU, while the Arc Pro B70 runs at 230 W with a 550 W suggested PSU. The MI308X is an OAM Module with no power connectors, indicating a server slot installation. The Arc Pro B70 is a Dual-slot card with a single 8-pin connector, suitable for a standard workstation chassis. The release dates show the MI308X arriving on 2023-12-05 and the Arc Pro B70 on 2026-03-25, with the AMD part having a predecessor in FirePro Data Center and no successor recorded.

Specification Differences

The two cards differ across nearly every recorded field. Process node and foundry are the same: 5 nm TSMC. The bus interface is also the same: PCIe 5.0 x16. Everything else diverges. Die size is 1017 mm² for the MI308X versus 368 mm² for the Arc Pro B70. Transistors are 153,000 million for the AMD card versus unknown for the Intel card, with a density of 150.4M per mm² on the MI308X and no density recorded for the Arc Pro B70.

Clock speeds: the MI308X has 1000 MHz base and 2100 MHz boost; the Arc Pro B70 has 2280 MHz base and 2800 MHz boost. Memory clocks: 2525 MHz with 10.1 Gbps effective on the MI308X versus 2375 MHz with 19 Gbps effective on the Arc Pro B70. Memory size: 192 GB HBM3 versus 32 GB GDDR6. Bus width: 8192 bit versus 256 bit. Bandwidth: 10.3 TB/s versus 608.0 GB/s.

Compute units: the MI308X has 19,456 shading units, 1,216 TMUs, 0 ROPs, no RT cores, and no tensor cores. The Arc Pro B70 has 4,096 shading units, 256 TMUs, 128 ROPs, and 32 RT cores. Pixel rate: 0 MPixel/s versus 358.4 GPixel/s. Texture rate: 2,553.6 GTexel/s versus 716.8 GTexel/s. FP32: 81.72 TFLOPS versus 22.94 TFLOPS. FP16: 653.7 TFLOPS (8:1) versus 45.88 TFLOPS (2:1).

Power and physical specs: the MI308X has a 750 W TDP, OAM Module slot, no power connectors, and a 1150 W suggested PSU. The Arc Pro B70 has a 230 W TDP, Dual-slot design, 1x 8-pin connector, and a 550 W suggested PSU. Display outputs: none on the MI308X versus 1x HDMI 2.1a and 3x DisplayPort 2.1 on the Arc Pro B70. Dimensions: no data for the MI308X versus 267 mm length, 110 mm height, and 39 mm width for the Arc Pro B70. API support: none recorded for the MI308X versus DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 for the Arc Pro B70. Release dates: 2023-12-05 for the MI308X and 2026-03-25 for the Arc Pro B70. The Arc Pro B70 has a launch MSRP of 949 USD, while the MI308X has no launch MSRP recorded.

Where Each One Wins

The MI308X wins in raw compute throughput. Its FP32 output of 81.72 TFLOPS is 3.56x the Arc Pro B70's 22.94 TFLOPS, and its FP16 output of 653.7 TFLOPS is 14.25x the Intel card's 45.88 TFLOPS. Texture rate follows the same pattern at 2,553.6 GTexel/s versus 716.8 GTexel/s. Memory capacity favors the AMD card at 192 GB versus 32 GB, and bandwidth favors it at 10.3 TB/s versus 608.0 GB/s. The 19,456 shading units and 1,216 TMUs provide the execution resources for these advantages.

The Arc Pro B70 wins in graphics rendering and display capability. It has 128 ROPs and a 358.4 GPixel/s pixel rate, while the MI308X has 0 ROPs and a 0 MPixel/s pixel rate. The 32 RT cores support ray tracing workloads, a feature absent from the MI308X's recorded data. Display outputs on the Arc Pro B70 enable direct monitor connection, which is impossible on the MI308X. The Arc Pro B70 also has higher clock speeds at 2280 MHz base and 2800 MHz boost, compared to 1000 MHz base and 2100 MHz boost on the MI308X, which may benefit latency-sensitive workloads.

The power profile favors the Arc Pro B70. Its 230 W TDP and 550 W suggested PSU are far below the MI308X's 750 W TDP and 1150 W suggested PSU. The Dual-slot form factor with a single 8-pin connector integrates into standard workstations, whereas the OAM Module format requires specialized server infrastructure. The Arc Pro B70 also has recorded dimensions and a launch MSRP of 949 USD, giving it a defined retail presence. The MI308X has no recorded dimensions, no launch MSRP, and no power connectors, indicating a bulk data center part.

The use case split is clean. Compute-heavy tasks such as large model inference, scientific simulation, or high-bandwidth data processing align with the MI308X's 192 GB HBM3 memory and 10.3 TB/s bandwidth. Graphics production, rendering, and interactive visualization align with the Arc Pro B70's ROPs, RT cores, and display outputs. The MI308X has a predecessor in FirePro Data Center, while the Arc Pro B70 has no predecessor recorded. Neither card has a recorded successor, and neither has recorded benchmark scores to validate the specification-level conclusions. The data indicates two specialized tools with minimal overlap.