NVIDIA GeForce RTX 4070 Mobile

The NVIDIA GeForce RTX 4070 Mobile sits in a peculiar position within the GeForce 40-series landscape, occupying the 71st percentile of all GPUs. Its average benchmark score of 27435 places it in direct competition with several desktop-class parts from previous generations, though the data reveals a performance profile that is tightly clustered around its rivals rather than decisively ahead. The benchmarks indicate a mobile part that edges out professional workstation silicon while trading blows with older high-end desktop cards, making its positioning more nuanced than a simple generational leap.

Benchmark Performance

The RTX 4070 Mobile's aggregate benchmark data shows a GPU that is statistically inseparable from its nearest competitors. The deltaPct values against the top three rivals are all within two percentage points: it trails the AMD Radeon R9 M395X by 1.6%, the NVIDIA GeForce GTX 980 Ti by 1.9%, and the AMD Radeon RX 6600 XT by 2.0%. These margins are effectively negligible in real-world usage, suggesting that the mobile 4070 delivers performance on par with those established desktop cards.

The more meaningful comparison comes against the NVIDIA RTX A4000, where the 4070 Mobile leads by 2.7%. This advantage, while still modest, indicates that the mobile gaming GPU surpasses a professional workstation card in raw compute throughput. The data implies that the Ada Lovelace architecture's efficiency gains allow the 4070 Mobile to overcome what would traditionally be a substantial gap between mobile and desktop implementations.

Breaking down the individual benchmark scores reveals notable strengths and weaknesses. The PassMark G3D score of 19587 represents the primary gaming metric, while the GPU compute score of 8399 shows a significant drop-off, suggesting that compute-heavy workloads do not scale as well as graphics tasks. The Geekbench scores present an interesting divergence: OpenCL yields 109197 while Vulkan produces 108367, a difference of less than one percent that falls within typical run-to-run variance. The PassMark DirectX scores tell a more complex story, with DirectX 9 at 223, DirectX 11 at 179, and DirectX 12 at 85 — the latter being particularly low relative to the other API results.

The FP32 compute figure of 15.62 TFLOPS provides context for these scores, positioning the 4070 Mobile as a capable performer for its power envelope. The pixel rate of 81.36 GPixel/s and texture rate of 244.1 GTexel/s are derived from the 48 ROPs and 144 TMUs respectively, and these figures align with the observed gaming performance in the benchmark data.

Who Should Consider It

The performance data suggests the RTX 4070 Mobile is best suited for gamers targeting high refresh rate 1080p or comfortable 1440p gaming. Its scores place it ahead of the RTX A4000 by 2.7%, a workstation card that was designed for professional visualization, which indicates the mobile 4070 has ample headroom for demanding titles at standard resolutions.

Users coming from older desktop hardware will find the 4070 Mobile roughly equivalent to a GTX 980 Ti or RX 6600 XT in average score, meaning it can handle modern titles at high settings without the power draw of those older desktop parts. The 1.6% and 2.0% deltas against those cards are well within the margin of error for benchmark variance, so the 4070 Mobile effectively matches them.

For compute-oriented workloads, the PassMark GPU compute score of 8399 suggests the card is less optimized for general-purpose compute than for graphics. Users whose primary workload involves CUDA-accelerated applications might find the performance acceptable but not exceptional, given the 1:1 FP16 to FP32 ratio that indicates no specialized half-precision acceleration.

The DirectX 12 score of 85 warrants particular attention. This low figure relative to the DirectX 11 score of 179 implies that the card may not fully leverage modern API features, or the benchmark itself does not represent typical DX12 gaming workloads. Users planning to play DX12-only titles should temper expectations based on this metric.

Power and Cooling

The RTX 4070 Mobile carries a TDP of 115 W, which is modest for the performance level indicated by the benchmark scores. This power envelope allows for thinner laptop designs while still delivering desktop-class performance from previous generations. The card uses no external power connectors, drawing all power through the motherboard interface, which simplifies system integration.

The bus interface is PCIe 4.0 x8, which provides sufficient bandwidth for the 8 GB frame buffer. The memory operates at 2000 MHz with 16 Gbps effective speed, and the 128-bit bus width delivers 256.0 GB/s of bandwidth. This configuration is appropriate for the card's performance class, though the relatively narrow bus width compared to some rivals could become a limiting factor at higher resolutions.

Cooling requirements are not specified in the data, but the 115 W TDP indicates that a capable cooling solution designed for mid-range mobile GPUs should suffice. The "IGP" slot width designation confirms this is an integrated mobile part rather than a discrete card, so thermal management is the laptop manufacturer's responsibility rather than an end-user concern.

FAQ

Q: How does the RTX 4070 Mobile compare to the GTX 980 Ti?

A: The 4070 Mobile trails the GTX 980 Ti by 1.9% in average benchmark score, making them effectively equivalent in performance despite the significant generational gap.

Q: What is the memory configuration of this GPU?

A: It features 8 GB of GDDR6 memory on a 128-bit bus, providing 256.0 GB/s of bandwidth with a 2000 MHz memory clock and 16 Gbps effective speed.

Q: Can this GPU handle virtual reality applications?

A: The DirectX 12 Ultimate support and Vulkan 1.4 compatibility indicate modern API readiness, and the 71st percentile ranking suggests sufficient performance for VR workloads, though specific VR benchmarks are not included in the data.

Q: What is the transistor count and die size?

A: The AD106 chip contains 22,900 million transistors on a 188 mm² die, manufactured on TSMC's 5 nm process, yielding a transistor density of 121.8 million per square millimeter.

Q: Does this GPU support the latest graphics APIs?

A: Yes, it supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, covering all current-generation graphics APIs.

Q: How does the RTX 4070 Mobile perform in compute workloads?

A: The PassMark GPU compute score is 8399, which is significantly lower than its G3D score of 19587, indicating that compute performance is not the card's primary strength.

How It Compares

Against the AMD Radeon R9 M395X, the RTX 4070 Mobile holds a marginal 1.6% advantage in average score. This is a remarkable result given that the R9 M395X was a high-end desktop part from an earlier era, demonstrating how far mobile GPU technology has advanced.

The comparison with the NVIDIA GeForce GTX 980 Ti shows a 1.9% deficit for the 4070 Mobile. The GTX 980 Ti was a flagship desktop GPU with substantially higher power consumption, so the mobile 4070 matching it within two percentage points while operating at 115 W represents a significant efficiency achievement.

Versus the AMD Radeon RX 6600 XT, the 4070 Mobile trails by 2.0%. The RX 6600 XT is a modern desktop mid-range card, and the near-parity result suggests that the mobile 4070 can compete with contemporary desktop offerings in its performance class.

The most favorable comparison is against the NVIDIA RTX A4000, where the 4070 Mobile leads by 2.7%. The A4000 is a professional workstation GPU, and the mobile gaming part outperforming it indicates that the 4070 Mobile's architecture provides strong raw graphics throughput despite its mobile form factor.

Memory Subsystem

The 8 GB GDDR6 frame buffer on a 128-bit bus provides 256.0 GB/s of bandwidth, a configuration that is adequate for 1080p and 1440p gaming but may become a bottleneck at 4K resolutions or with texture-heavy mods. The 16 Gbps effective memory speed helps compensate for the narrow bus width, though the data suggests this is not a bandwidth-optimized design.

The memory clock of 2000 MHz with 16 Gbps effective throughput is standard for GDDR6, and the 256.0 GB/s bandwidth aligns with the card's overall performance tier. For the resolution ranges indicated by the benchmark scores, this memory configuration should not present a significant limitation in most gaming scenarios.

At higher resolutions, the 128-bit bus width could limit performance more than the raw compute capabilities would suggest. The bandwidth figure of 256.0 GB/s is modest compared to wider-bus competitors, but the Ada Lovelace architecture's cache hierarchy may mitigate some of this constraint in real-world gaming.

Ray Tracing and Feature Set

The RTX 4070 Mobile includes 36 RT cores and 144 tensor cores, providing dedicated hardware for ray tracing and AI-accelerated workloads. These are built on the Ada Lovelace architecture, which represents NVIDIA's third-generation RT implementation and fourth-generation tensor core design.

The API support covers DirectX 12 Ultimate (12_2), which includes hardware ray tracing and mesh shaders, along with Vulkan 1.4 and OpenGL 4.6. This comprehensive API coverage ensures compatibility with current and upcoming titles that leverage these features. The 1:1 FP16 to FP32 ratio of 15.62 TFLOPS indicates that the tensor cores are configured for standard precision, without the doubled half-precision throughput seen in some competing architectures.

The presence of 144 tensor cores suggests meaningful AI acceleration capabilities for features like DLSS, though specific DLSS performance data is not included in the benchmark results. The ray tracing performance relative to the card's overall score cannot be directly quantified from the available data, but the dedicated RT core count places it in the mainstream-to-upper-midrange segment for RT workloads.