Intel Arc Pro B70 vs NVIDIA L20 Comparison

Intel Arc Pro B70 and NVIDIA L20 occupy very different positions in the database, and their benchmark records reflect that split. The Intel card sits at the 50th percentile among all GPUs, while the NVIDIA part ranks at the 99th percentile. That is a massive gulf in raw measured performance, but the two cards are not aimed at the same workloads. The Arc Pro B70 is a freshly released professional graphics card, while the L20 is a server accelerator from a prior generation. The data shows that the L20 dominates in compute-heavy tasks, while the B70 offers a distinct set of architectural features and connectivity options.

Where Each One Wins

The NVIDIA L20 wins on every recorded benchmark metric in the database. Its average benchmark score is 251,147, which places it 11.6% ahead of the NVIDIA PG506-232 and 14.2% ahead of the AMD Radeon PRO W7900D. The L20 also outperforms the NVIDIA L40 by 11.6% and the RTX 6000 Ada Generation by 12.6%, though those deltas are negative because the L20 trails those two higher-end cards. The L20's raw compute figures are substantially higher across the board: 59.35 TFLOPS FP32 versus 22.94 TFLOPS for the Arc Pro B70, and 59.35 TFLOPS FP16 versus 45.88 TFLOPS for the Intel card. The L20 also delivers 864.0 GB/s of memory bandwidth versus 608.0 GB/s, and its 48 GB frame buffer is 50% larger than the B70's 32 GB.

The Intel Arc Pro B70 has no recorded benchmark scores in the database, so its wins are not in raw performance. Instead, the card wins on architectural and feature-level comparisons. It uses the Xe2-HPG architecture on the BMG-G31 chip, manufactured on a 5 nm process by TSMC, with a die size of 368 mm². The L20 uses the older Ada Lovelace architecture on the AD102 chip, also on a 5 nm TSMC process, but with a much larger 609 mm² die and 76,300 million transistors. The B70 supports PCIe 5.0 x16, while the L20 is limited to PCIe 4.0 x16. The Intel card also offers a wider set of display outputs: 1x HDMI 2.1a and 3x DisplayPort 2.1, whereas the L20 only provides 4x DisplayPort 1.4a. The B70 has a higher base clock at 2280 MHz versus 1440 MHz, and a higher boost clock at 2800 MHz versus 2520 MHz.

Architecture Differences

The two GPUs come from different design philosophies. The Intel Arc Pro B70 is built on Xe2-HPG, the second-generation high-performance graphics architecture from Intel, belonging to the Battlemage (Pro Series) generation. It uses 4096 shading units, 256 texture mapping units, 128 ROPs, and 32 ray tracing cores. The NVIDIA L20 is built on Ada Lovelace, the architecture that powers NVIDIA's server and workstation lineup, and it uses a far larger configuration: 11,776 shading units, 368 TMUs, 128 ROPs, 92 RT cores, and 368 tensor cores. The L20's tensor core count is a major differentiator, as those cores are dedicated to AI and machine learning workloads, a feature the B70 does not list.

The process nodes are identical at 5 nm, but the transistor counts diverge sharply. The L20 integrates 76,300 million transistors on a 609 mm² die, giving a transistor density of 125.3 million per mm². The B70's transistor count is not recorded in the database, but its die is 368 mm². The L20's larger die and higher transistor count explain its significantly higher compute throughput. The memory subsystems also differ in architecture: the B70 uses 32 GB of GDDR6 on a 256-bit bus, while the L20 uses 48 GB of GDDR6 on a 384-bit bus. Both use GDDR6, but the L20's wider bus and higher effective memory clock of 18 Gbps versus 19 Gbps result in 864.0 GB/s versus 608.0 GB/s of bandwidth.

Power and connectivity also diverge. The B70 has a 230 W TDP and uses a single 8-pin power connector, while the L20 has a 275 W TDP and uses a single 16-pin connector. The suggested PSU for the B70 is 550 W, while the L20 recommends 600 W. Both cards are dual-slot designs, and both are 267 mm long. The B70 is 110 mm tall, and the L20 is 111 mm tall. The B70 has a listed width of 39 mm, while the L20's width is not recorded. The B70 uses PCIe 5.0 x16, which is a full generation ahead of the L20's PCIe 4.0 x16 interface.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between the Intel Arc Pro B70 and the NVIDIA L20. However, the L20 has two recorded benchmark scores: 274,276 in Geekbench OpenCL and 228,018 in Geekbench Vulkan. These scores produce an average benchmark score of 251,147. The B70 has no recorded scores in any test, so a direct numerical comparison is impossible from the available data.

What the data does show is the L20's standing against its nearest rivals. The L20's average score of 251,147 is 11.6% higher than the NVIDIA PG506-232's average of 225,124 and 14.2% higher than the AMD Radeon PRO W7900D's average of 219,827. The L20 falls short of the NVIDIA L40, which averages 284,111, a delta of -11.6%, and the RTX 6000 Ada Generation, which averages 287,237, a delta of -12.6%. These deltas place the L20 in a competitive middle tier within NVIDIA's own lineup.

For the B70, the lack of benchmark data means its performance can only be inferred from its specification sheet. Its FP32 throughput of 22.94 TFLOPS is less than half of the L20's 59.35 TFLOPS. Its texture rate is 716.8 GTexel/s versus 927.4 GTexel/s for the L20, and its pixel rate is 358.4 GPixel/s versus 322.6 GPixel/s. The B70 actually has a higher pixel rate than the L20, which suggests it may be more efficient at certain rasterization tasks, but the L20's massive shading unit advantage (11,776 versus 4,096) dominates most compute scenarios.

Specification Differences

The specification sheets for the two cards reveal several fields where they differ. The chip designations are different: the B70 uses BMG-G31, while the L20 uses AD102. The architectures are different, with the B70 on Xe2-HPG and the L20 on Ada Lovelace. The generations differ as well, with the B70 in the Battlemage (Pro Series) and the L20 in the Server Ada (Lxx) line. The B70's transistor count is listed as unknown, while the L20 lists 76,300 million. The die sizes differ at 368 mm² versus 609 mm². The base clocks differ at 2280 MHz versus 1440 MHz, and the boost clocks differ at 2800 MHz versus 2520 MHz. Memory clocks differ, with the B70 at 2375 MHz (19 Gbps effective) and the L20 at 2250 MHz (18 Gbps effective).

Memory configuration is a major split: 32 GB versus 48 GB, 256-bit versus 384-bit bus, and 608.0 GB/s versus 864.0 GB/s bandwidth. Shading units differ at 4,096 versus 11,776, TMUs at 256 versus 368, and RT cores at 32 versus 92. The L20 has 368 tensor cores, while the B70 lists none. FP32 compute is 22.94 TFLOPS versus 59.35 TFLOPS, and FP16 compute is 45.88 TFLOPS (2:1) versus 59.35 TFLOPS (1:1). The TDP differs at 230 W versus 275 W, and the power connectors differ at 1x 8-pin versus 1x 16-pin. The bus interface differs at PCIe 5.0 x16 versus PCIe 4.0 x16. Display outputs differ, with the B70 offering HDMI 2.1a and DisplayPort 2.1, while the L20 only offers DisplayPort 1.4a. The release dates differ significantly: the B70 was released on 2026-03-25, while the L20 was released on 2023-11-15. The L20 has a production status of Active, while the B70's status is not listed. The L20's predecessor is listed as Server Ampere and its successor as Server Hopper, while the B70 lists neither. The L20 has a launch MSRP of none recorded, while the B70 lists a launch MSRP of 949 USD.

FAQ

Q: Which GPU has more shading units?

A: The NVIDIA L20 has 11,776 shading units, while the Intel Arc Pro B70 has 4,096.

Q: How much memory bandwidth does each card provide?

A: The Intel Arc Pro B70 provides 608.0 GB/s, while the NVIDIA L20 provides 864.0 GB/s.

Q: What is the difference in FP32 compute performance?

A: The NVIDIA L20 delivers 59.35 TFLOPS FP32, while the Intel Arc Pro B70 delivers 22.94 TFLOPS.

Q: Which card supports PCIe 5.0?

A: The Intel Arc Pro B70 supports PCIe 5.0 x16, while the NVIDIA L20 uses PCIe 4.0 x16.

Q: What are the display output options for each card?

A: The Intel Arc Pro B70 offers 1x HDMI 2.1a and 3x DisplayPort 2.1, while the NVIDIA L20 offers 4x DisplayPort 1.4a only.

Q: How does the NVIDIA L20 compare to its nearest rivals?

A: The L20's average benchmark score of 251,147 is 11.6% higher than the NVIDIA PG506-232 and 14.2% higher than the AMD Radeon PRO W7900D, but it trails the NVIDIA L40 by 11.6% and the RTX 6000 Ada Generation by 12.6%.