NVIDIA GeForce RTX 4070 Ti vs NVIDIA GeForce RTX 5090 Mobile Comparison

The benchmark data presents a fascinating clash of generations and form factors: the NVIDIA GeForce RTX 5090 Mobile, a Blackwell-architecture part for laptops, against the NVIDIA GeForce RTX 4070 Ti, an Ada Lovelace desktop card. The RTX 5090 Mobile posts a 3DMark Steel Nomad score of 5871, which is 16.9% higher than the RTX 4070 Ti’s 5024, signaling a decisive win for the mobile chip in this modern DirectX 12 workload. Yet the overall picture is far from one-sided; the RTX 4070 Ti wins 7 of the 10 head-to-head benchmarks, including a massive 27.2% lead in PassMark GPU Compute (18396 vs 13401). The average benchmark scores are nearly identical — the RTX 5090 Mobile sits at 45152, a mere 0.6% above the RTX 4070 Ti’s 44900 — placing both at the 85th percentile of all GPUs. This data suggests that the mobile part has closed the gap to its desktop predecessor in specific next-gen tests, while older or compute-heavy workloads still favor the desktop card’s higher raw throughput.

Head-to-Head Benchmarks

The most significant victory for the RTX 5090 Mobile comes in 3DMark Steel Nomad DX12, where its 5871 score eclipses the RTX 4070 Ti’s 5024 by a substantial 16.9% margin. This is a modern, demanding test, and the mobile chip’s Blackwell architecture appears to excel here, likely benefiting from its newer feature set and higher memory bandwidth. The RTX 5090 Mobile also wins the PassMark DirectX 12 test by 19% (138 vs 116), reinforcing a pattern of strength in the latest API. In Geekbench Vulkan, the mobile part leads by 6.2%, scoring 198405 against 186784, showing that its architectural advantages translate to cross-platform graphics performance.

However, the RTX 4070 Ti dominates the legacy and compute-oriented benchmarks. Its PassMark GPU Compute score of 18396 is 27.2% higher than the RTX 5090 Mobile’s 13401, a huge gap that points to the desktop card’s higher FP32 throughput (40.09 TFLOPS vs 31.80 TFLOPS). The desktop card also wins the PassMark G3D test by 5% (31624 vs 30034), suggesting that in general DirectX 11 gaming, it still holds a tangible edge. The RTX 4070 Ti’s lead extends to older APIs: it is 8% faster in PassMark DirectX 9 (352 vs 324), 6.6% faster in DirectX 11 (288 vs 269), and 2.1% faster in DirectX 10 (187 vs 183). Even in the 2D test, the desktop card wins by 11.9% (1200 vs 1057), which may reflect its higher pixel rate of 208.8 GPixel/s compared to the mobile chip’s 169.7 GPixel/s. The Geekbench OpenCL result is close, with the RTX 4070 Ti winning narrowly by 1.6% (205028 vs 201834), indicating that general compute performance is nearly on par.

The data implies a clear split: the RTX 5090 Mobile is engineered for future-proofing, winning the tests that leverage DirectX 12 Ultimate and Vulkan features, while the RTX 4070 Ti remains a brute-force performer in established workloads. The 3DMark Steel Nomad result is particularly telling, as it suggests the mobile chip’s architectural efficiency can overcome the desktop card’s higher clock speeds and raw shader count in specific scenarios.

Architecture Differences

The two GPUs are built on the same 5 nm TSMC process node, but they represent distinct architectural generations. The RTX 5090 Mobile uses the GB203 chip with the Blackwell 2.0 architecture, while the RTX 4070 Ti is based on the AD104 chip with Ada Lovelace. The transistor counts differ significantly: the mobile chip packs 45,600 million transistors on a 378 mm² die, whereas the desktop card has 35,800 million on a smaller 294 mm² die. This results in a slightly lower transistor density for the mobile part (120.6M / mm² vs 121.8M / mm²), indicating that Blackwell’s design is more expansive in its resource allocation.

The core configurations tell a story of divergent priorities. The RTX 5090 Mobile has 10496 shading units, 328 TMUs, and 112 ROPs, while the RTX 4070 Ti is configured with 7680 shading units, 240 TMUs, and 80 ROPs. The mobile chip also has more RT cores (82 vs 60) and more tensor cores (328 vs 240), suggesting a focus on ray tracing and AI workloads. Despite this, the RTX 4070 Ti achieves higher clock speeds — a base of 2310 MHz and boost of 2610 MHz versus the RTX 5090 Mobile’s 990 MHz base and 1515 MHz boost — which explains its higher FP32 performance of 40.09 TFLOPS against the mobile part’s 31.80 TFLOPS.

Memory is another major differentiator. The RTX 5090 Mobile features 24 GB of GDDR7 on a 256-bit bus, delivering 896.0 GB/s of bandwidth. The RTX 4070 Ti has 12 GB of GDDR6X on a 192-bit bus, providing 504.2 GB/s. This is a critical advantage for the mobile chip, as its memory bandwidth is 77.6% higher, which likely contributes to its wins in bandwidth-sensitive tests like 3DMark Steel Nomad. The memory clock also differs, with the mobile part running at 1750 MHz (28 Gbps effective) versus the desktop card’s 1313 MHz (21 Gbps effective).

The power and form factor gap is stark. The RTX 5090 Mobile has a TDP of 95 W and is an integrated graphics processor (IGP) with no power connectors, designed for portable devices. The RTX 4070 Ti is a dual-slot desktop card with a 285 W TDP, a 1x 16-pin power connector, and a suggested PSU of 600 W. This 190 W difference explains why the desktop card can sustain higher clocks and performance, yet the mobile chip still manages to win key modern benchmarks. The RTX 5090 Mobile also uses PCIe 5.0 x16, while the RTX 4070 Ti is limited to PCIe 4.0 x16, and the mobile part supports DisplayPort outputs that are device-dependent, whereas the desktop card offers 1x HDMI 2.1 and 3x DisplayPort 1.4a.

FAQ

Q: Which GPU has a higher average benchmark score?

A: The NVIDIA GeForce RTX 5090 Mobile has an average benchmark score of 45152, which is 0.6% higher than the RTX 4070 Ti’s 44900, making them statistically equivalent in overall performance.

Q: How large is the performance gap in 3DMark Steel Nomad?

A: The RTX 5090 Mobile scores 5871, which is 16.9% higher than the RTX 4070 Ti’s 5024, giving the mobile chip a clear lead in this modern DirectX 12 benchmark.

Q: Which GPU wins in compute-heavy workloads?

A: The RTX 4070 Ti dominates compute, winning the PassMark GPU Compute test by 27.2% (18396 vs 13401), thanks to its higher FP32 throughput of 40.09 TFLOPS.

Q: What are the memory specifications for each GPU?

A: The RTX 5090 Mobile has 24 GB of GDDR7 on a 256-bit bus with 896.0 GB/s bandwidth, while the RTX 4070 Ti has 12 GB of GDDR6X on a 192-bit bus with 504.2 GB/s bandwidth.

Q: How do their power requirements compare?

A: The RTX 5090 Mobile has a 95 W TDP and is an IGP with no power connectors, whereas the RTX 4070 Ti has a 285 W TDP, a 1x 16-pin connector, and a 600 W suggested PSU.

Q: Which GPU has more shading units and RT cores?

A: The RTX 5090 Mobile has 10496 shading units and 82 RT cores, compared to the RTX 4070 Ti’s 7680 shading units and 60 RT cores, giving the mobile part a core count advantage.

Specification Differences

The two GPUs differ in nearly every core specification. The RTX 5090 Mobile uses the GB203 chip with Blackwell 2.0, while the RTX 4070 Ti uses AD104 with Ada Lovelace. The mobile chip has 45,600 million transistors on a 378 mm² die, versus 35,800 million on 294 mm² for the desktop card. Clock speeds are dramatically different: the RTX 5090 Mobile runs at 990 MHz base and 1515 MHz boost, while the RTX 4070 Ti runs at 2310 MHz base and 2610 MHz boost. Memory differs in size (24 GB vs 12 GB), type (GDDR7 vs GDDR6X), bus width (256-bit vs 192-bit), and bandwidth (896.0 GB/s vs 504.2 GB/s). The core counts show the mobile part with 10496 shading units, 328 TMUs, 112 ROPs, 82 RT cores, and 328 tensor cores, versus the desktop card’s 7680 shading units, 240 TMUs, 80 ROPs, 60 RT cores, and 240 tensor cores. Pixel rate (169.7 vs 208.8 GPixel/s), texture rate (496.9 vs 626.4 GTexel/s), and FP32 performance (31.80 vs 40.09 TFLOPS) all favor the RTX 4070 Ti. The TDP is 95 W for the mobile part and 285 W for the desktop card. The RTX 5090 Mobile is an IGP with no power connectors, while the RTX 4070 Ti is dual-slot with a 1x 16-pin connector. Bus interfaces are PCIe 5.0 x16 versus PCIe 4.0 x16. The RTX 5090 Mobile is listed as Active with a release date of 2025-03-26, while the RTX 4070 Ti is End-of-life with a release date of 2023-01-02 and a launch MSRP of 799 USD.

The Verdict

The data indicates that the RTX 5090 Mobile is the more future-oriented choice, winning the modern 3DMark Steel Nomad and PassMark DirectX 12 tests, along with Geekbench Vulkan. Its 24 GB of GDDR7 memory and 896.0 GB/s bandwidth provide a substantial buffer for next-generation game assets and AI-driven features, and its higher core counts (10496 shading units, 82 RT cores) suggest it is built for ray tracing and tensor workloads. The RTX 4070 Ti, however, remains a potent performer in current titles, winning the PassMark G3D test and all legacy DirectX benchmarks, with a 27.2% lead in compute that makes it better suited for general-purpose GPU tasks. The RTX 5090 Mobile also consumes far less power — 95 W versus 285 W — making it a more efficient option for portable systems, while the RTX 4070 Ti requires a desktop chassis and a 600 W PSU. For users prioritizing longevity and modern API performance, the RTX 5090 Mobile is the logical pick; for those focused on raw compute and immediate gaming compatibility, the RTX 4070 Ti holds its ground.

Where Each One Wins

The RTX 5090 Mobile wins in scenarios that stress memory bandwidth and modern rendering paths. Its 16.9% lead in 3DMark Steel Nomad and 19% lead in PassMark DirectX 12 highlight its strength in DirectX 12 Ultimate workloads, and its 6.2% win in Geekbench Vulkan shows cross-API competence. This makes it the better choice for upcoming titles that leverage Blackwell’s features, as well as for tasks involving large datasets that benefit from its 896.0 GB/s bandwidth and 24 GB frame buffer.

The RTX 4070 Ti wins in compute-heavy and legacy workloads. Its 27.2% lead in PassMark GPU Compute and 5% lead in PassMark G3D make it the superior option for general-purpose computing, such as rendering or scientific simulations, and for the vast library of DirectX 11 games. Its wins in DirectX 9 (8%), DirectX 10 (2.1%), and DirectX 11 (6.6%) benchmarks, along with an 11.9% lead in 2D performance, show that it remains a reliable workhorse for established software. The desktop card’s higher FP32 throughput and pixel rate also give it an edge in tasks that rely on raw shader execution rather than architectural efficiency.