NVIDIA GeForce RTX 4090 Mobile vs NVIDIA T1000 8 GB Comparison

FAQ

Q: How much faster is the NVIDIA GeForce RTX 4090 Mobile than the NVIDIA T1000 8 GB in the direct comparison test?

A: In the only shared benchmark, Geekbench Vulkan, the RTX 4090 Mobile scores 170,774 versus 34,561 for the T1000 8 GB. That is a 394.1% advantage for the RTX 4090 Mobile.

Q: Which card has the higher overall average benchmark score?

A: The RTX 4090 Mobile has an average benchmark score of 43,667. The T1000 8 GB has an average score of 34,561, which places it in the 79th percentile of all GPUs, while the RTX 4090 Mobile sits in the 84th percentile.

Q: What is the memory configuration difference between the two cards?

A: The RTX 4090 Mobile comes with 16 GB of GDDR6 memory on a 256-bit bus, yielding 576.0 GB/s of bandwidth. The T1000 8 GB has 8 GB of GDDR6 on a 128-bit bus, giving 160.0 GB/s of bandwidth.

Q: Are both cards based on the same architecture?

A: No. The RTX 4090 Mobile uses the Ada Lovelace architecture on a 5 nm process at TSMC. The T1000 8 GB uses the older Turing architecture on a 12 nm process, also at TSMC.

Q: Do both cards support the same DirectX version?

A: No. The RTX 4090 Mobile supports DirectX 12 Ultimate (12_2). The T1000 8 GB supports DirectX 12 (12_1), which is a lower feature level.

Q: What is the power draw difference?

A: The RTX 4090 Mobile has a TDP of 120 W, while the T1000 8 GB has a TDP of 50 W. The T1000 8 GB also lists a suggested PSU of 250 W, while the RTX 4090 Mobile has no suggested PSU listed.

The Verdict

The data is unambiguous. The NVIDIA GeForce RTX 4090 Mobile wins the only head-to-head benchmark by a massive margin, and it outperforms the T1000 8 GB in every relevant specification category. The RTX 4090 Mobile is the clear choice for anyone needing maximum graphics throughput in a laptop or portable form factor.

The T1000 8 GB is a legacy workstation part, now end-of-life, with a Turing architecture that lacks dedicated ray tracing and tensor cores. Its 8 GB memory and 160.0 GB/s bandwidth are a fraction of what the RTX 4090 Mobile offers. The T1000 8 GB may still be relevant for specific low-power, single-slot workstation tasks, but it cannot compete on raw performance.

Choose the RTX 4090 Mobile if you need top-tier gaming, rendering, or compute performance in a mobile platform. Choose the T1000 8 GB only if you have a specific compatibility requirement for a single-slot, low-profile, 50 W card, and the performance gap is acceptable. The recorded benchmark data shows no scenario where the T1000 8 GB wins.

Head-to-Head Benchmarks

The database includes one direct comparison between these two GPUs: Geekbench Vulkan. The results are decisive.

The RTX 4090 Mobile scores 170,774 in Geekbench Vulkan, while the T1000 8 GB scores 34,561. The delta is 394.1% in favor of the RTX 4090 Mobile. This is not a marginal win; it is a generational and architectural gap made obvious by the numbers.

The overall average benchmark scores tell a similar story. The RTX 4090 Mobile averages 43,667 across all recorded tests, with a percentile rank of 84 among all GPUs. The T1000 8 GB averages 34,561, placing it in the 79th percentile. The RTX 4090 Mobile is not just faster in one test; it is consistently stronger across the board.

The RTX 4090 Mobile also has more benchmark data points. It has scores for Geekbench OpenCL (180,831), Passmark DirectX 10 (173), DirectX 11 (262), DirectX 12 (107), DirectX 9 (310), G2D (984), G3D (27,212), and GPU compute (12,347). The T1000 8 GB has only the single Geekbench Vulkan score. This makes the RTX 4090 Mobile the better-documented and more versatile performer in the database.

The nearest rivals for the RTX 4090 Mobile include the NVIDIA RTX A6000, which scores 44,075 on average, a 0.9% lower score. The T1000 8 GB's nearest rival is the NVIDIA RTX A1000 at 34,207, which is 1% higher. This confirms that the RTX 4090 Mobile operates in a much higher performance tier.

Specification Differences

The two cards differ in nearly every core specification. The RTX 4090 Mobile uses the AD103 chip with 45,900 million transistors on a 379 mm² die. The T1000 8 GB uses the TU117 chip with 4,700 million transistors on a 200 mm² die. Transistor density is 121.1 million per mm² for the RTX 4090 Mobile versus 23.5 million per mm² for the T1000 8 GB.

Clock speeds are also different. The RTX 4090 Mobile has a base clock of 1335 MHz and a boost clock of 1695 MHz. The T1000 8 GB runs at 1065 MHz base and 1395 MHz boost. Memory clocks differ as well: 2250 MHz (18 Gbps effective) for the RTX 4090 Mobile versus 1250 MHz (10 Gbps effective) for the T1000 8 GB.

The RTX 4090 Mobile has 9728 shading units, 304 TMUs, and 112 ROPs. The T1000 8 GB has 896 shading units, 56 TMUs, and 32 ROPs. The RTX 4090 Mobile also includes 76 ray tracing cores and 304 tensor cores, while the T1000 8 GB has none of either.

Pixel and texture rates reflect the gap. The RTX 4090 Mobile achieves 189.8 GPixel/s and 515.3 GTexel/s. The T1000 8 GB achieves 44.64 GPixel/s and 78.12 GTexel/s. FP32 compute is 32.98 TFLOPS for the RTX 4090 Mobile versus 2.500 TFLOPS for the T1000 8 GB. FP16 is 32.98 TFLOPS (1:1) for the RTX 4090 Mobile and 5.000 TFLOPS (2:1) for the T1000 8 GB.

The bus interface differs: PCIe 4.0 x16 for the RTX 4090 Mobile, PCIe 3.0 x16 for the T1000 8 GB. The RTX 4090 Mobile is an IGP (integrated graphics processor) with no power connectors, while the T1000 8 GB is a single-slot card measuring 156 mm (6.1 inches) in length and 69 mm (2.7 inches) in height, with four mini-DisplayPort 1.4a outputs.

Architecture Differences

The architectural gap is fundamental. The RTX 4090 Mobile is built on Ada Lovelace, NVIDIA's current-generation architecture, fabricated on a 5 nm process at TSMC. The T1000 8 GB is built on Turing, an older architecture, on a 12 nm process. This node difference alone explains much of the performance and efficiency gap.

The RTX 4090 Mobile includes dedicated ray tracing cores (76 of them) and tensor cores (304 of them). The T1000 8 GB has neither. This means the RTX 4090 Mobile supports hardware-accelerated ray tracing and AI-driven features such as DLSS, while the T1000 8 GB cannot offer these capabilities.

The memory architecture is also different. The RTX 4090 Mobile has a 256-bit memory bus with 16 GB of GDDR6, providing 576.0 GB/s of bandwidth. The T1000 8 GB has a 128-bit bus with 8 GB of GDDR6, providing 160.0 GB/s. The RTX 4090 Mobile's memory subsystem is nearly four times wider and faster.

The API support reflects the newer architecture. The RTX 4090 Mobile supports DirectX 12 Ultimate (12_2), while the T1000 8 GB supports DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4, but the DirectX feature level is higher on the RTX 4090 Mobile.

The TDP difference is notable: 120 W for the RTX 4090 Mobile versus 50 W for the T1000 8 GB. However, the RTX 4090 Mobile is an IGP with no power connectors, meaning it is designed for integration into a laptop motherboard. The T1000 8 GB is a standalone single-slot card with a suggested PSU of 250 W. The T1000 8 GB is end-of-life, while the RTX 4090 Mobile is still active in production.

Where Each One Wins

The RTX 4090 Mobile wins in every measurable category in the database. It has higher raw compute (32.98 TFLOPS FP32 versus 2.500 TFLOPS), more memory (16 GB versus 8 GB), higher bandwidth (576.0 GB/s versus 160.0 GB/s), and more shading units (9728 versus 896). It also supports ray tracing and tensor cores, which the T1000 8 GB lacks entirely.

The RTX 4090 Mobile is the clear winner for gaming, 3D rendering, video editing, and any GPU-accelerated compute workload. Its 84th percentile ranking among all GPUs confirms it sits near the top of the performance pyramid. The T1000 8 GB, at the 79th percentile, is a mid-range card by comparison.

The T1000 8 GB has one practical advantage: power consumption. At 50 W, it draws less than half the power of the RTX 4090 Mobile's 120 W. This makes it suitable for low-power workstations or systems where thermal and power budgets are extremely tight. Its single-slot form factor and four mini-DisplayPort outputs also make it easy to install in compact chassis.

However, the benchmark data shows no performance scenario where the T1000 8 GB wins. The only shared test, Geekbench Vulkan, goes to the RTX 4090 Mobile by 394.1%. The T1000 8 GB is a legacy product, now end-of-life, with a successor in the Workstation Ampere line. For any new build, the RTX 4090 Mobile is the superior choice based on the recorded data.

In summary, the RTX 4090 Mobile is the card to pick for performance, features, and future-proofing. The T1000 8 GB is only relevant for niche, low-power, single-slot workstation use cases where the RTX 4090 Mobile's IGP form factor cannot be used. The numbers do not support any other conclusion.