AMD Radeon PRO W7900 vs Intel Arc Pro B390 Comparison

Head-to-Head Benchmarks

The recorded data shows a stark contrast in measured performance between the AMD Radeon PRO W7900 and the Intel Arc Pro B390. The AMD Radeon PRO W7900 has an average benchmark score of 110,725 across its recorded tests, placing it in the 94th percentile of all GPUs in the database. The Intel Arc Pro B390, by contrast, has no recorded benchmark scores in the database, resulting in an average benchmark score of 0 and a 50th percentile ranking. This absence of measured data for the Intel part means head-to-head comparisons rely entirely on the architectural specifications and the AMD card's established performance profile.

For the AMD Radeon PRO W7900, the Geekbench OpenCL score is 84,379, while the Geekbench Vulkan score reaches 137,070. These two results combine to form its average score of 110,725. The nearest rivals in the database provide context for this performance level. The AMD Radeon Pro Vega II scores 109,617 on average, which places it 1% behind the W7900. The NVIDIA RTX A5500 Mobile averages 113,944, putting it 2.8% ahead. The AMD Radeon Pro W6600X averages 107,342, exactly 3.2% behind the W7900, and the NVIDIA Tesla V100 SXM2 16 GB averages 114,395, sitting 3.2% ahead. These delta percentages indicate that the W7900 sits in a tight competitive cluster, with its closest measured rival being the Radeon Pro Vega II at just a 1% difference.

The Intel Arc Pro B390, with no benchmarks recorded, cannot be positioned relative to these rivals. Its 50th percentile ranking is a default value rather than a measured performance indicator. The data confirms that this Intel part is an integrated graphics processor, designated as IGP, which fundamentally changes its performance envelope. The AMD card, in contrast, is a dedicated triple-slot add-in board with a 295 W TDP and 2x 8-pin power connectors. These physical and power characteristics alone suggest vastly different performance tiers, and the benchmark data reinforces that conclusion.

Where Each One Wins

The AMD Radeon PRO W7900 wins in every measurable category where data exists. Its FP32 compute throughput is 61.32 TFLOPS, compared to 7.680 TFLOPS for the Intel Arc Pro B390. This represents a significant computational advantage for the AMD part. In FP16, the W7900 delivers 61.32 TFLOPS with a 1:1 ratio, while the Intel part offers 15.36 TFLOPS with a 2:1 ratio. The raw throughput numbers show the W7900 at roughly eight times the FP32 performance and four times the FP16 performance of the B390.

Pixel throughput follows the same pattern. The AMD card achieves 479.0 GPixel/s, while the Intel part achieves 60.00 GPixel/s. Texture rate for the W7900 is 958.1 GTexel/s versus 120.0 GTexel/s for the B390. Memory bandwidth presents a categorical difference: the W7900 uses 48 GB of GDDR6 memory on a 384-bit bus, delivering 864.0 GB/s of bandwidth, whereas the Intel Arc Pro B390 uses system shared memory with bandwidth described as system dependent. The shared memory configuration means the Intel part's bandwidth fluctuates based on the host system, with no fixed figure recorded.

In terms of shading resources, the W7900 contains 6,144 shading units, 384 texture mapping units, 192 render output units, and 96 ray tracing cores. The Intel Arc Pro B390 contains 1,536 shading units, 48 TMUs, 24 ROPs, and 12 ray tracing cores. The AMD card holds a 4x advantage in shading units and ray tracing cores, and an 8x advantage in TMUs and ROPs. For workloads that scale with these resources, such as rasterization-heavy rendering or ray-traced scenes, the W7900 data indicates a decisive lead.

The Intel part does win in one specific area: power efficiency relative to its integrated nature. Its TDP is 80 W, compared to 295 W for the AMD card. However, the B390 requires no separate power connectors and uses the IGP bus interface, making it suitable for compact portable devices. The AMD card requires a 600 W suggested power supply and occupies a triple-slot form factor. These differences point to entirely different deployment scenarios rather than direct competition.

Architecture Differences

The AMD Radeon PRO W7900 uses the Navi 31 chip built on the RDNA 3.0 architecture, with the codename Plum Bonito. It belongs to the Radeon Pro Navi generation and is manufactured on a 5 nm process at TSMC. The chip contains 57,700 million transistors on a 529 mm² die, yielding a transistor density of 109.1M per mm². The Intel Arc Pro B390 uses the Panther Lake chip built on the Xe3-LPG architecture, manufactured on a 3 nm process at Intel. Its transistor count and die size are listed as unknown in the database, so no direct comparison of transistor density is possible.

The memory subsystems diverge completely. The AMD card features 48 GB of GDDR6 memory with a 384-bit bus width and 864.0 GB/s bandwidth. The Intel part uses system shared memory, meaning its capacity, bus width, and bandwidth all depend on the host platform. This architectural choice makes the B390 fundamentally different from the W7900: one is a discrete GPU with dedicated VRAM, the other is an integrated processor that borrows from system memory.

Clock behavior also differs. The AMD card has a base clock of 1760 MHz and a boost clock of 2495 MHz, with memory clocked at 2250 MHz or 18 Gbps effective. The Intel part has a base clock of 300 MHz and a boost clock of 2500 MHz. Despite a similar boost ceiling, the base clock difference is substantial, indicating that the Intel part idles or runs at very low clocks when not under load, while the AMD card maintains a higher baseline frequency.

API support is identical: both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This means software compatibility at the API level is not a differentiator. The production status for both is listed as active, though their release dates differ: the AMD card launched on 2023-05-25, while the Intel card launched on 2026-01-26. The AMD card's predecessor is the Radeon Pro Vega, while the Intel card's predecessor is HD Graphics-WM.

The AMD card uses a PCIe 4.0 x16 bus interface and provides 3x DisplayPort 2.1 plus 1x mini-DisplayPort 2.1 outputs. The Intel card uses an IGP bus interface, meaning it has no separate physical slot, and its display outputs are described as portable device dependent. The AMD card measures 280 mm in length, 110 mm in height, and 51 mm in width. The Intel card has no recorded dimensions due to its integrated nature.

FAQ

Q: What is the average benchmark score difference between the two cards?

A: The AMD Radeon PRO W7900 has an average benchmark score of 110,725 across its recorded Geekbench OpenCL and Vulkan tests. The Intel Arc Pro B390 has no recorded benchmarks, resulting in an average score of 0.

Q: How does the AMD Radeon PRO W7900 compare to its nearest rivals in the database?

A: The W7900 sits 1% ahead of the AMD Radeon Pro Vega II, 2.8% behind the NVIDIA RTX A5500 Mobile, 3.2% ahead of the AMD Radeon Pro W6600X, and 3.2% behind the NVIDIA Tesla V100 SXM2 16 GB.

Q: What memory configuration does each card use?

A: The AMD Radeon PRO W7900 uses 48 GB of GDDR6 memory on a 384-bit bus with 864.0 GB/s bandwidth. The Intel Arc Pro B390 uses system shared memory, with capacity, bus width, and bandwidth all dependent on the host system.

Q: What are the FP32 compute figures for each card?

A: The AMD Radeon PRO W7900 delivers 61.32 TFLOPS of FP32 performance. The Intel Arc Pro B390 delivers 7.680 TFLOPS of FP32 performance.

Q: What is the difference in ray tracing resources?

A: The AMD Radeon PRO W7900 contains 96 ray tracing cores. The Intel Arc Pro B390 contains 12 ray tracing cores, representing a 4x difference in ray tracing hardware count.

Q: What are the power requirements for each card?

A: The AMD Radeon PRO W7900 has a TDP of 295 W, requires 2x 8-pin power connectors, and suggests a 600 W power supply. The Intel Arc Pro B390 has a TDP of 80 W, requires no power connectors, and has no suggested PSU listed.

Specification Differences

The two cards differ across nearly every specification field. The AMD Radeon PRO W7900 uses the Navi 31 chip on RDNA 3.0 architecture, while the Intel Arc Pro B390 uses the Panther Lake chip on Xe3-LPG architecture. The process nodes differ: 5 nm at TSMC for AMD versus 3 nm at Intel for the B390. The AMD chip contains 57,700 million transistors on a 529 mm² die, while the Intel chip's transistor count and die size are unknown.

Memory specifications show the largest gap. The W7900 has 48 GB of GDDR6 memory, a 384-bit bus, and 864.0 GB/s bandwidth. The B390 uses system shared memory for all three fields. The AMD card's memory clock is 2250 MHz or 18 Gbps effective, while the Intel part lists memory as system shared with no clock.

Compute resources differ by multiples. The W7900 has 6,144 shading units versus 1,536 for the B390. TMU counts are 384 versus 48. ROP counts are 192 versus 24. Ray tracing cores are 96 versus 12. Pixel rate is 479.0 GPixel/s versus 60.00 GPixel/s. Texture rate is 958.1 GTexel/s versus 120.0 GTexel/s. FP32 is 61.32 TFLOPS versus 7.680 TFLOPS. FP16 is 61.32 TFLOPS with a 1:1 ratio versus 15.36 TFLOPS with a 2:1 ratio.

Physical and power characteristics diverge entirely. The W7900 has a 295 W TDP, triple-slot width, 2x 8-pin power connectors, and a 600 W suggested PSU. The B390 has an 80 W TDP, IGP slot width, no power connectors, and no suggested PSU. The bus interface is PCIe 4.0 x16 for AMD and IGP for Intel. Display outputs are 3x DisplayPort 2.1 plus 1x mini-DisplayPort 2.1 for AMD, while the Intel card lists portable device dependent outputs.

Clock speeds show a notable difference in base clock. The AMD card runs at 1760 MHz base and 2495 MHz boost. The Intel card runs at 300 MHz base and 2500 MHz boost. The dimensions differ as well: the W7900 measures 280 mm by 110 mm by 51 mm, while the B390 has no recorded dimensions. Release dates are 2023-05-25 for AMD and 2026-01-26 for Intel. The launch MSRP for the AMD card is 3,999 USD, while the Intel card has no launch MSRP recorded.