AMD Radeon 8040S vs Intel Arc Pro B65 Comparison

The Verdict

The AMD Radeon 8040S and Intel Arc Pro B65 target entirely different segments of the market, and the recorded data makes that split obvious. The Radeon 8040S is a 55 W integrated graphics processor (IGP) built on TSMC's 4 nm node, designed for portable devices where power draw and physical footprint matter more than raw throughput. The Arc Pro B65 is a 200 W dual-slot discrete card on a 5 nm node with 32 GB of dedicated GDDR6 memory, clearly positioned for professional workloads that need large frame buffers and sustained compute.

Benchmark results give the Radeon 8040S a PassMark G3D score of 10578 and an average benchmark score of 2440, placing it at the 17th percentile of all GPUs. Its nearest competitors in the database are the NVIDIA GeForce 710M (average score 2433, 0.3% behind), the Intel HD Graphics 610 (2425, 0.6% behind), and the AMD Radeon RX 7400 (2467, 1.1% ahead). These are all low-end parts, which confirms that the 8040S is not a performance leader. It is a capable integrated solution for basic graphics and light compute in thin-and-light systems.

The Arc Pro B65 has no recorded benchmark scores in the database and no nearest rivals, so its average score sits at 0. Its 50th percentile placement is purely positional based on specifications, not measured performance. The data indicates the B65 is a much larger, more powerful part: 2560 shading units versus 1024, 160 TMUs versus 64, 80 ROPs versus 32, and 20 ray tracing cores versus 16. Its FP32 throughput of 12.29 TFLOPS is more than double the 8040S's 5.734 TFLOPS. The B65 also carries 32 GB of GDDR6 on a 256-bit bus with 608.0 GB/s of bandwidth, whereas the 8040S relies on system-shared memory with system-dependent bandwidth.

The verdict is straightforward. The Radeon 8040S belongs in ultraportable laptops or mini PCs where the integrated design eliminates the need for a separate graphics card and its 55 W TDP fits within tight thermal envelopes. The Arc Pro B65 is for desktop workstations that require a discrete card with substantial memory capacity, high pixel and texture rates, and the physical cooling of a dual-slot, 8-pin powered board. The data does not support using the 8040S for demanding professional workloads, nor does it support using the B65 in a low-power portable chassis.

FAQ

Q: How does the Radeon 8040S compare to its nearest rivals in the database?

A: The 8040S averages 2440 in benchmark scores. It sits 0.3% above the NVIDIA GeForce 710M (2433), 0.6% above the Intel HD Graphics 610 (2425), and 0.7% above the NVIDIA GeForce GT 710M (2422). The AMD Radeon RX 7400 is 1.1% ahead with a score of 2467.

Q: What is the memory configuration difference between the two cards?

A: The Radeon 8040S uses system-shared memory with system-dependent bandwidth, meaning it borrows from the host system's RAM. The Arc Pro B65 has 32 GB of dedicated GDDR6 memory on a 256-bit bus with 608.0 GB/s of bandwidth.

Q: Which card has higher clock speeds?

A: The Arc Pro B65 runs at a fixed 2400 MHz for both base and boost. The Radeon 8040S has a 1295 MHz base clock and a 2800 MHz boost clock, so its peak frequency is higher, but its sustained compute throughput is far lower.

Q: What are the physical power requirements of each card?

A: The Radeon 8040S is an integrated processor with no power connectors and a 55 W TDP. The Arc Pro B65 is a dual-slot card requiring a single 8-pin power connector, a 200 W TDP, and a suggested power supply of 550 W.

Q: Do both cards support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The API feature sets are identical in the recorded data.

Q: What is the production status and release timing?

A: Both are listed as Active production. The Radeon 8040S has a release date of January 5, 2025, while the Arc Pro B65 is dated March 31, 2026.

Architecture Differences

The two GPUs come from different architectural families with distinct design priorities. The Radeon 8040S uses AMD's RDNA 3.5 architecture on a chip called Strix Halo, fabricated on a 4 nm TSMC process. It belongs to the Navi Mobile (RX 8000M) generation, indicating its intended use in mobile platforms. The die measures 308 mm², and the transistor count is listed as unknown in the database. The architecture is built around 1024 shading units, 64 texture mapping units, 32 raster operation units, and 16 ray tracing cores. The FP32 throughput is 5.734 TFLOPS, and FP16 runs at the same rate with a 1:1 ratio, meaning there is no dedicated half-precision acceleration.

The Arc Pro B65 uses Intel's Xe2-HPG architecture on the BMG-G21 chip, part of the Battlemage (Pro Series) generation. It is fabricated on a 5 nm TSMC process with a die size of 272 mm² and 19,600 million transistors, giving a transistor density of 72.1 million per mm². The architecture scales up significantly: 2560 shading units, 160 TMUs, 80 ROPs, and 20 ray tracing cores. FP32 compute is 12.29 TFLOPS, and FP16 is 24.58 TFLOPS with a 2:1 ratio, indicating that the B65 has dedicated hardware for half-precision workloads, which is common in professional compute and AI inference tasks.

The process node difference is relevant. The 8040S uses a newer 4 nm process but packs far fewer transistors into a larger die, which suggests the design prioritizes low power and integration over density. The B65 uses a 5 nm process but achieves much higher transistor density and raw throughput, reflecting its role as a discrete, high-performance part. The ray tracing core counts differ as well, with the B65 offering 20 cores versus 16 on the 8040S, which implies better ray-traced workload capacity, though no specific ray tracing benchmarks are recorded.

Both cards share the same API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This means software compatibility is equivalent at the API level, but the underlying hardware capabilities diverge sharply in compute throughput and memory architecture.

Specification Differences

The most obvious specification gap is memory. The Radeon 8040S has system-shared memory with system-dependent bandwidth, so its performance depends entirely on the host system's RAM speed and capacity. The Arc Pro B65 has 32 GB of dedicated GDDR6 memory clocked at 2375 MHz (19 Gbps effective) on a 256-bit bus, delivering 608.0 GB/s of bandwidth. This is a fundamental difference: one card is constrained by the platform, the other has a fixed, high-bandwidth frame buffer.

Compute resources differ across every category. The 8040S has 1024 shading units, 64 TMUs, 32 ROPs, and 16 RT cores. The B65 has 2560 shading units, 160 TMUs, 80 ROPs, and 20 RT cores. Pixel rate on the 8040S is 89.60 GPixel/s versus 192.0 GPixel/s on the B65. Texture rate is 179.2 GTexel/s versus 384.0 GTexel/s. FP32 performance is 5.734 TFLOPS versus 12.29 TFLOPS, and FP16 is 5.734 TFLOPS (1:1) versus 24.58 TFLOPS (2:1). Every measured compute metric favors the B65 by roughly 2x or more.

Clock behavior also differs. The 8040S has a base clock of 1295 MHz and a boost of 2800 MHz, while the B65 runs flat at 2400 MHz for both base and boost. The 8040S's boost clock is higher, but with far fewer execution units, it cannot translate that frequency into competitive throughput.

Power and physical requirements are starkly different. The 8040S is an IGP with no power connectors and a 55 W TDP. It uses a PCIe 5.0 x16 bus interface and its display outputs are portable device dependent, meaning the manufacturer decides what ports to expose. The B65 is a dual-slot card with a single 8-pin power connector, a 200 W TDP, a suggested power supply of 550 W, and four DisplayPort 2.1 outputs. The B65 also uses PCIe 5.0 x16.

The release dates are separated by over a year: January 5, 2025 for the 8040S and March 31, 2026 for the B65. Neither card has a predecessor or successor listed, though the 8040S's predecessor is noted as Polaris Mobile.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between the Radeon 8040S and the Arc Pro B65, and the B65 has no recorded benchmark scores of its own. The 8040S, however, has a full set of PassMark results that define its performance envelope.

The 8040S scores 48 in PassMark DirectX 10, 80 in DirectX 11, 47 in DirectX 12, and 134 in DirectX 9. Its 2D graphics score is 1052, its 3D graphics score is 10578, and its GPU compute score is 5138. These numbers place it at the 17th percentile of all GPUs, with an average benchmark score of 2440. The nearest rival data shows how tightly packed this performance tier is: the GeForce 710M is 0.3% behind, the HD Graphics 610 is 0.6% behind, the GT 710M is 0.7% behind, and the RX 7400 is 1.1% ahead. The 8040S is effectively in the middle of a very narrow performance band.

Without B65 benchmark data, a direct score comparison is impossible. The specification sheet, however, provides a clear basis for expected performance. The B65's FP32 throughput is 2.14x higher, its texture rate is 2.14x higher, its pixel rate is 2.14x higher, and its memory bandwidth is not directly comparable because the 8040S depends on system memory. The B65's 32 GB GDDR6 frame buffer with 608.0 GB/s bandwidth is a categorical advantage for workloads that exceed the capacity or speed of shared system memory.

The 8040S's only clear advantages are its lower TDP (55 W versus 200 W), its integrated form factor (no slot width, no power connectors), and its higher boost clock (2800 MHz versus 2400 MHz). In every compute and memory metric that the database records, the B65 is the stronger part by a wide margin.

Where Each One Wins

The Radeon 8040S wins in scenarios defined by power and integration. Its 55 W TDP and IGP form factor make it suitable for portable devices where a discrete card cannot fit. The lack of power connectors and dependence on system-shared memory mean it adds no extra thermal burden beyond the host CPU. Its 17th percentile standing and average score of 2440 indicate it is competitive with entry-level discrete GPUs like the GeForce 710M and HD Graphics 610, so it can handle basic 3D acceleration, 2D desktop work, and light compute tasks. The DirectX 9 score of 134 is notably higher than its DirectX 10, 11, and 12 scores, suggesting it performs relatively better with older API workloads.

The Arc Pro B65 wins in scenarios that demand raw throughput and large memory capacity. Its 32 GB GDDR6 frame buffer with 608.0 GB/s bandwidth is the standout feature; no integrated solution can match that. The 2:1 FP16 ratio (24.58 TFLOPS) gives it a distinct advantage in half-precision compute, which is common in machine learning inference and scientific workloads. The four DisplayPort 2.1 outputs support multi-monitor professional setups, and the dual-slot design with a single 8-pin connector and 550 W suggested PSU is typical for workstation-class cards.

The data does not support a crossover point. The 8040S is not a substitute for the B65 in professional workloads, and the B65 is not a substitute for the 8040S in ultraportable designs. The 8040S's release in early 2025 and the B65's later release in early 2026 also indicate sequential market positioning rather than direct competition. Buyers should choose based on form factor and memory needs: integrated, low-power, system-shared memory for the 8040S; discrete, high-power, dedicated 32 GB memory for the B65.