NVIDIA GeForce RTX 5070 Ti Mobile vs NVIDIA GeForce RTX 5080 Comparison

FAQ

Q: How does the NVIDIA GeForce RTX 5070 Ti Mobile compare to the NVIDIA GeForce RTX 5080 in average benchmark score?

A: The GeForce RTX 5080 records an average benchmark score of 56083, while the GeForce RTX 5070 Ti Mobile scores 35435. The desktop RTX 5080 outperforms the mobile part by a substantial margin, with the recorded data showing the RTX 5080 holding an 87th percentile ranking across all GPUs versus an 80th percentile for the mobile chip.

Q: Which GPU wins the most head-to-head benchmark comparisons?

A: The NVIDIA GeForce RTX 5080 wins all nine recorded head-to-head benchmarks. The mobile GPU does not secure a single victory in any of the tested workloads, which include Geekbench OpenCL, Geekbench Vulkan, and seven Passmark tests covering DirectX 9, 10, 11, 12, 2D, 3D, and compute performance.

Q: What is the largest performance gap between the two GPUs in any benchmark?

A: The largest delta appears in the Passmark GPU Compute test, where the RTX 5080 scores 21789 compared to 10101 for the RTX 5070 Ti Mobile, a difference of 53.6 percent in favor of the desktop card. The Geekbench Vulkan test shows the second-largest gap at 45.5 percent.

Q: Do both GPUs use the same memory type?

A: Yes, both the RTX 5070 Ti Mobile and the RTX 5080 use GDDR7 memory. However, the RTX 5080 carries 16 GB on a 256-bit bus with 960.0 GB/s of bandwidth, while the mobile GPU has 12 GB on a 192-bit bus with 672.0 GB/s of bandwidth.

Q: How do the transistor counts and die sizes differ between the two chips?

A: The RTX 5070 Ti Mobile uses the GB205 chip with 31,100 million transistors on a 263 mm² die. The RTX 5080 uses the GB203 chip with 45,600 million transistors on a 378 mm² die. Both are built on TSMC's 5 nm process, and the transistor density measures 118.3M per mm² for the mobile chip versus 120.6M per mm² for the desktop chip.

Q: What are the TDP figures and power connector requirements for each GPU?

A: The RTX 5070 Ti Mobile has a TDP of 60 W and requires no power connectors, reflecting its integrated mobile design. The RTX 5080 has a TDP of 360 W, uses a single 16-pin power connector, and carries a suggested PSU rating of 750 W.

Architecture Differences

Both GPUs belong to the GeForce 50-series and share the Blackwell 2.0 architecture, but they are implemented on different chips with significantly different configurations. The RTX 5070 Ti Mobile uses the GB205 chip, while the RTX 5080 uses the GB203 chip. Both are manufactured by TSMC on a 5 nm process, yet the GB203 die is substantially larger at 378 mm² compared to 263 mm² for the GB205. Transistor counts scale accordingly: 45,600 million for the desktop chip versus 31,100 million for the mobile chip.

The compute resources diverge sharply. The RTX 5080 houses 10,752 shading units, 336 texture mapping units, 112 ROPs, 84 ray tracing cores, and 336 tensor cores. The RTX 5070 Ti Mobile contains 5,888 shading units, 184 TMUs, 80 ROPs, 46 ray tracing cores, and 184 tensor cores. The desktop card nearly doubles the shading units, TMUs, and tensor cores, while more than doubling the ray tracing core count.

Clock speeds also differ. The RTX 5070 Ti Mobile runs at a base clock of 847 MHz and a boost clock of 1447 MHz. The RTX 5080 operates at a 2295 MHz base clock and a 2617 MHz boost clock, representing a far higher frequency envelope. Memory clocks follow the same pattern, with the mobile GPU using 1750 MHz (28 Gbps effective) and the desktop GPU using 1875 MHz (30 Gbps effective).

The memory subsystem presents another key architectural distinction. The RTX 5070 Ti Mobile accesses 12 GB of GDDR7 over a 192-bit bus, yielding 672.0 GB/s of bandwidth. The RTX 5080 accesses 16 GB of GDDR7 over a 256-bit bus, yielding 960.0 GB/s. This 288 GB/s bandwidth advantage for the desktop card directly impacts texture-heavy and compute-bound workloads.

Pixel and texture throughput rates reflect the structural differences. The RTX 5080 achieves 293.1 GPixel/s and 879.3 GTexel/s, while the RTX 5070 Ti Mobile reaches 115.8 GPixel/s and 266.2 GTexel/s. Floating-point performance shows a similar gap: 56.28 TFLOPS for FP32 and FP16 on the RTX 5080 versus 17.04 TFLOPS for both precisions on the mobile part.

Form factor and integration details also separate the two. The RTX 5070 Ti Mobile is an IGP (integrated graphics processor) with no power connectors and portable-device-dependent display outputs. The RTX 5080 is a dual-slot card measuring 304 mm by 137 mm by 40 mm, using a single 16-pin power connector, and offering 1x HDMI 2.1b and 3x DisplayPort 2.1b outputs. Both support PCIe 5.0 x16 and share identical API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Head-to-Head Benchmarks

The recorded head-to-head data paints an unambiguous picture: the RTX 5080 wins every one of the nine benchmark comparisons. The smallest margin appears in Passmark DirectX 10, where the desktop card scores 208 against 151 for the mobile GPU, a 27.4 percent advantage. Passmark DirectX 11 shows a similar 26.9 percent gap, with scores of 324 and 237 respectively.

DirectX 12 performance favors the RTX 5080 by 32.5 percent, scoring 151 versus 102. The DirectX 9 test records a 33.4 percent delta, with the desktop card at 389 and the mobile chip at 259. Passmark G2D, which measures 2D graphics operations, shows the RTX 5080 ahead by 30.7 percent, scoring 1415 against 981.

The Passmark G3D test, a broader 3D graphics workload, delivers a 34.4 percent win for the RTX 5080, with scores of 36565 versus 24004. Geekbench OpenCL shows a 39 percent gap, as the RTX 5080 posts 235901 against 143870 for the mobile GPU. Geekbench Vulkan reveals a 45.5 percent difference, with the desktop card reaching 255450 versus 139213.

The most decisive result comes from Passmark GPU Compute, where the RTX 5080 scores 21789, more than double the 10101 recorded by the RTX 5070 Ti Mobile. This 53.6 percent delta indicates that compute-heavy workloads, such as rendering, machine learning inference, or scientific simulation, benefit most from the desktop GPU's larger shader array and higher memory bandwidth.

Across all nine tests, the RTX 5080 maintains a minimum lead of roughly 27 percent and a maximum lead of over 53 percent. The mobile GPU's best relative performance appears in the DirectX 10 and DirectX 11 tests, while its worst relative showing occurs in compute and Vulkan workloads. The data suggests that the RTX 5070 Ti Mobile closes some of the gap in legacy DirectX paths, but the architectural advantages of the RTX 5080 become more pronounced in modern APIs and parallel compute tasks.

Specification Differences

The two GPUs differ across nearly every measurable specification. The chip designation changes from GB205 for the mobile part to GB203 for the desktop part. Transistor count rises from 31,100 million to 45,600 million, and die size expands from 263 mm² to 378 mm². Transistor density shifts slightly from 118.3M per mm² to 120.6M per mm².

Clock speeds show a wide divergence. Base clock jumps from 847 MHz on the mobile GPU to 2295 MHz on the desktop GPU. Boost clock increases from 1447 MHz to 2617 MHz. Memory clock goes from 1750 MHz (28 Gbps effective) to 1875 MHz (30 Gbps effective).

Memory capacity increases from 12 GB to 16 GB, while the bus width expands from 192 bit to 256 bit. Bandwidth rises from 672.0 GB/s to 960.0 GB/s. Shading units grow from 5,888 to 10,752, TMUs from 184 to 336, and ROPs from 80 to 112. Ray tracing cores increase from 46 to 84, and tensor cores from 184 to 336.

Pixel rate climbs from 115.8 GPixel/s to 293.1 GPixel/s, and texture rate from 266.2 GTexel/s to 879.3 GTexel/s. FP32 and FP16 performance both scale from 17.04 TFLOPS to 56.28 TFLOPS. TDP rises from 60 W to 360 W. Slot width changes from IGP to dual-slot, power connectors go from none to a single 16-pin, and suggested PSU moves from absent to 750 W.

Dimensions exist only for the RTX 5080: 304 mm in length, 137 mm in height, and 40 mm in width. Display outputs differ, with the mobile GPU listed as portable-device dependent and the desktop card offering 1x HDMI 2.1b plus 3x DisplayPort 2.1b. The release dates also diverge, with the RTX 5080 launching on 2025-01-29 and the RTX 5070 Ti Mobile on 2025-02-28. The RTX 5080 lists a successor in the GeForce 60, while the mobile part has no recorded successor.

The Verdict

The benchmark data shows a clear hierarchy. The RTX 5080 outperforms the RTX 5070 Ti Mobile in every recorded test, with an average benchmark score of 56083 versus 35435. The desktop card's 87th percentile ranking across all GPUs exceeds the mobile chip's 80th percentile. The nearest rivals for each GPU reinforce this positioning: the RTX 5080 competes with desktop parts like the AMD Radeon 8060S (0.6 percent behind), the AMD Radeon RX 6750 GRE 12 GB (0.7 percent behind), and the AMD Radeon RX 9070 GRE (2.2 percent ahead). The RTX 5070 Ti Mobile sits near workstation and professional cards such as the NVIDIA Quadro GV100 (0.2 percent ahead), the NVIDIA T1000 (2.4 percent ahead), and the AMD Radeon Pro Duo (1.2 percent ahead).

The RTX 5080 delivers more than 1.5 times the average benchmark score of the mobile GPU. Its compute advantage is even more pronounced, with a 53.6 percent lead in Passmark GPU Compute. The desktop card also posts a 45.5 percent advantage in Vulkan and a 39 percent advantage in OpenCL, indicating strong scaling across heterogeneous workloads.

However, the RTX 5070 Ti Mobile operates at 60 W TDP, a fraction of the RTX 5080's 360 W requirement. It requires no power connectors and sits as an IGP, meaning it fits into thin-and-light laptops without external power delivery. The RTX 5080 demands a 750 W PSU and a dual-slot chassis. For systems constrained by thermal and power envelopes, the mobile GPU offers a viable path to Blackwell 2.0 features. For raw performance, the desktop card stands clearly superior.

Where Each One Wins

The RTX 5080 wins in every scenario where absolute performance matters. Its 16 GB of GDDR7 memory on a 256-bit bus with 960.0 GB/s bandwidth suits high-resolution textures, large datasets, and multi-monitor setups. The 10,752 shading units and 336 tensor cores provide substantial parallel processing capacity for gaming, content creation, and machine learning workloads. The 84 ray tracing cores handle ray-traced scenes with greater throughput than the mobile chip's 46 cores.

The RTX 5070 Ti Mobile wins in scenarios constrained by power and physical space. Its 60 W TDP enables integration into laptops without discrete power connectors. The IGP form factor means no expansion slot is required, and the portable-device-dependent display outputs adapt to laptop panels. The 12 GB memory capacity remains adequate for many current games and creative applications, while the 672.0 GB/s bandwidth supports smooth 1080p and 1440p gaming.

The benchmark data shows the RTX 5080 leading by 27 to 54 percent across tests, with the largest gaps in compute and modern API performance. The RTX 5070 Ti Mobile's closest relative performance occurs in DirectX 10 and DirectX 11, where its 26 to 27 percent deficit suggests that older rendering paths do not fully utilize the desktop card's additional resources. In contrast, the compute and Vulkan workloads expose the full architectural disparity.

For a desktop build with adequate cooling and power delivery, the RTX 5080 delivers decisively higher frame rates, faster compute, and more memory bandwidth. For a portable system where power draw and physical size take priority, the RTX 5070 Ti Mobile provides a functional Blackwell 2.0 experience within a 60 W envelope. The data does not support any scenario where the mobile GPU outperforms the desktop card; the only question is whether the desktop card's advantages justify its power and space requirements for a given use case.