NVIDIA GeForce RTX 5070 Mobile vs NVIDIA L4 Comparison

NVIDIA GeForce RTX 5070 Mobile and NVIDIA L4 target different segments of the GPU market, and the recorded data confirms a clear performance hierarchy between them. The database shows the L4 winning both shared benchmark tests, with its average benchmark score more than four times higher than the mobile part. The RTX 5070 Mobile sits in the 75th percentile of all GPUs, while the L4 ranks in the 95th percentile, a gap that reflects their distinct design goals.

Where Each One Wins

The NVIDIA L4 is the dominant performer in every benchmark category where both products have recorded data. In Geekbench OpenCL, the L4 posts a score of 140838, which is 13.2 percent ahead of the RTX 5070 Mobile’s 122238. In Geekbench Vulkan, the L4 again takes the lead with 121306 versus 116960, a 3.6 percent advantage. The L4’s average benchmark score of 131072 places it within 0.7 percent of the GeForce RTX 3090 Ti, showing it operates in a completely different performance class than the mobile part. The RTX 5070 Mobile’s average score of 29928 puts it just 0.1 percent behind the GeForce RTX 3070 Ti and 0.5 percent ahead of the GeForce RTX 2080 Ti, indicating it competes with desktop GPUs from previous generations despite its mobile form factor.

The RTX 5070 Mobile does not win any of the two head-to-head tests recorded in the database. However, its benchmark profile includes additional tests that the L4 lacks, such as Passmark DirectX 10, 11, 12, and 9 scores, along with Passmark G2D, G3D, and GPU Compute results. In those tests, the mobile part shows a G3D score of 20355 and a GPU Compute score of 8279, which are not directly comparable to the L4 due to missing data. The L4’s wins are substantial in raw compute workloads, but the RTX 5070 Mobile delivers a broader set of legacy DirectX benchmark results, indicating its intended use across varied application scenarios.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA L4 has an average benchmark score of 131072, while the NVIDIA GeForce RTX 5070 Mobile has an average score of 29928. The L4’s score is more than four times higher.

Q: How do the two GPUs compare in Geekbench OpenCL performance?

A: The L4 scores 140838 in Geekbench OpenCL, while the RTX 5070 Mobile scores 122238. The L4 leads by 13.2 percent in this test.

Q: What is the percentile ranking difference between these GPUs?

A: The RTX 5070 Mobile ranks in the 75th percentile of all GPUs, while the L4 ranks in the 95th percentile. This places the L4 in a much higher performance tier.

Q: Which GPU has more memory and what type?

A: The L4 has 24 GB of GDDR6 memory on a 192-bit bus, while the RTX 5070 Mobile has 8 GB of GDDR7 memory on a 128-bit bus.

Q: How does the RTX 5070 Mobile compare to its nearest rivals?

A: The RTX 5070 Mobile is 0.1 percent behind the GeForce RTX 3070 Ti, 0.5 percent ahead of the GeForce RTX 2080 Ti, 0.6 percent behind the Radeon RX 6800, and 1.7 percent behind the Radeon RX 6700.

Q: What are the power consumption figures for each GPU?

A: The RTX 5070 Mobile has a TDP of 50 W, while the L4 has a TDP of 72 W. The L4 also lists a suggested PSU of 250 W.

Head-to-Head Benchmarks

The database records two shared benchmark tests between these GPUs, and the NVIDIA L4 wins both. In Geekbench OpenCL, the L4 scores 140838 against the RTX 5070 Mobile’s 122238, a delta of 13.2 percent in favor of the L4. This is the largest performance gap between the two in any recorded test. The OpenCL workload stresses raw compute throughput, and the L4’s higher shading unit count, 7424 versus 4608, along with its higher boost clock of 2040 MHz versus 1425 MHz, explains the significant margin.

In Geekbench Vulkan, the L4 again wins, scoring 121306 against the RTX 5070 Mobile’s 116960. The delta here is much smaller at 3.6 percent. Vulkan performance tends to be sensitive to driver optimization and architecture efficiency, and the RTX 5070 Mobile’s newer Blackwell 2.0 architecture narrows the gap compared to the OpenCL test. Still, the L4’s advantage in raw hardware resources, including 60 RT cores versus 36 and 240 tensor cores versus 144, keeps it ahead.

The RTX 5070 Mobile has zero wins in the head-to-head comparison, but its Passmark results provide additional context. Its Passmark G3D score of 20355 and GPU Compute score of 8279 indicate solid performance in DirectX-based workloads, though no comparable L4 data exists in the database. The L4’s average benchmark score of 131072 places it just 0.7 percent behind the GeForce RTX 3090 Ti, which suggests it delivers desktop-class compute performance in a low-power server form factor. The RTX 5070 Mobile’s average score of 29928, by contrast, places it near the GeForce RTX 3070 Ti, a desktop GPU from a previous generation.

Specification Differences

The two GPUs differ significantly across nearly every specification category. The RTX 5070 Mobile uses the GB206 chip built on the Blackwell 2.0 architecture, while the L4 uses the AD104 chip built on Ada Lovelace. Both are manufactured on a 5 nm process by TSMC, but the L4 has substantially more transistors: 35,800 million versus 21,900 million. The die sizes also differ, with the L4 at 294 mm² and the RTX 5070 Mobile at 181 mm², though transistor density is nearly identical at 121.8M per mm² for the L4 and 121.0M per mm² for the mobile part.

Memory configurations diverge sharply. The RTX 5070 Mobile has 8 GB of GDDR7 memory on a 128-bit bus, delivering 384.0 GB/s of bandwidth. The L4 has 24 GB of GDDR6 memory on a 192-bit bus, but with lower bandwidth at 300.1 GB/s. The mobile part’s memory clock is 1500 MHz with 24 Gbps effective speed, while the L4 runs at 1563 MHz with 12.5 Gbps effective. The larger memory capacity of the L4 suits server workloads that require large model footprints, while the higher bandwidth of the RTX 5070 Mobile benefits bandwidth-sensitive tasks.

Compute resources also favor the L4. It has 7424 shading units, 240 TMUs, and 80 ROPs, compared to the RTX 5070 Mobile’s 4608 shading units, 144 TMUs, and 48 ROPs. The L4 also has more RT cores at 60 versus 36, and more tensor cores at 240 versus 144. Clock speeds differ as well: the RTX 5070 Mobile has a base clock of 907 MHz and a boost clock of 1425 MHz, while the L4 has a lower base of 795 MHz but a much higher boost of 2040 MHz. This results in the L4 achieving 30.29 TFLOPS of FP32 performance versus the RTX 5070 Mobile’s 13.13 TFLOPS.

Form factors and interfaces reflect their intended environments. The RTX 5070 Mobile is an integrated graphics processor with no slot width, no power connectors, and display outputs described as portable device dependent. The L4 is a single-slot card measuring 169 mm in length and 56 mm in height, with no display outputs and a PCIe 4.0 x16 interface. The RTX 5070 Mobile uses PCIe 5.0 x16, a newer standard, but the L4’s PCIe 4.0 interface is typical for server accelerators. Power figures also differ, with the RTX 5070 Mobile at 50 W TDP and the L4 at 72 W TDP, though the L4 lists a suggested PSU of 250 W.

Architecture Differences

The RTX 5070 Mobile is built on the Blackwell 2.0 architecture, representing NVIDIA’s GeForce 50 Mobile generation. Its predecessor is the GeForce 40 Mobile series, and it was released on 2025-04-14. The L4 belongs to the Server Ada generation, with the architecture name Ada Lovelace, and its predecessor is Server Ampere. The L4 was released earlier on 2023-03-20, and its successor is Server Hopper. This places the two GPUs in different product lineages: one aimed at mobile consumer devices, the other at server acceleration.

The process nodes are identical at 5 nm from TSMC, but the chip designs differ fundamentally. The RTX 5070 Mobile’s GB206 chip has fewer transistors and a smaller die, reflecting the power and thermal constraints of a 50 W mobile part. The L4’s AD104 chip carries more than 1.6 times the transistor count and a significantly larger die, enabling higher compute throughput despite a modest 72 W TDP. The L4’s boost clock of 2040 MHz is substantially higher than the RTX 5070 Mobile’s 1425 MHz, which combined with more shading units produces its 30.29 TFLOPS FP32 output.

Both GPUs support DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, so API compatibility is identical. The ray tracing and tensor core counts differ, however, with the L4 offering 60 RT cores and 240 tensor cores against the RTX 5070 Mobile’s 36 and 144, respectively. These resources make the L4 more capable for ray-traced workloads and AI inference tasks. The RTX 5070 Mobile’s GDDR7 memory represents a newer memory technology, but the L4’s larger 24 GB capacity and wider 192-bit bus provide advantages for data-intensive server applications. The recorded data confirms that the L4 delivers roughly four times the average benchmark score, placing it in the 95th percentile while the RTX 5070 Mobile sits in the 75th percentile.