NVIDIA GeForce RTX 4090 D vs NVIDIA TITAN X Pascal Comparison

Where Each One Wins

The recorded benchmark data splits cleanly between these two very different NVIDIA generations. The NVIDIA GeForce RTX 4090 D wins every head-to-head comparison in the database, taking both available tests outright. Its advantage is not marginal; it is transformative in scale.

In Geekbench OpenCL, the RTX 4090 D scores 278,621 against the TITAN X Pascal's 66,696. That is a 317.7% delta, meaning the newer card delivers more than four times the compute throughput in this workload. The Geekbench Vulkan test shows a similar story: 246,941 versus 77,499, a 218.6% advantage. The RTX 4090 D effectively triples the TITAN X Pascal's Vulkan performance.

The TITAN X Pascal has no recorded wins in any paired benchmark. Its strength, if it can be called that, lies in its historical context rather than current performance. It sits at the 91st percentile among all GPUs in the database, which is respectable for a 2016 product. But the RTX 4090 D ranks at the 98th percentile, a gap that reflects the massive architectural leap between the two.

For use-case segmentation, the data suggests the RTX 4090 D is the clear choice for any modern compute-heavy workload, particularly those leveraging OpenCL or Vulkan APIs. The TITAN X Pascal, by contrast, remains relevant only for legacy scenarios where its older driver stack or specific feature set might be required, though the benchmark data does not quantify such scenarios.

The average benchmark score reinforces the divide. The RTX 4090 D averages 178,050 across all recorded tests, while the TITAN X Pascal averages 72,098. That places the newer card in a completely different performance tier, one where its nearest rivals are professional workstation parts like the NVIDIA RTX PRO 5000 Blackwell (182,109, or 2.2% higher) and the NVIDIA A100 SXM4 80 GB (183,725, or 3.1% higher).

The Verdict

The data is unambiguous: the NVIDIA GeForce RTX 4090 D is the superior product in every measurable way. It wins both head-to-head benchmarks, holds a higher percentile ranking, and delivers an average score more than double that of the TITAN X Pascal. Anyone choosing between these two for current workloads should select the RTX 4090 D without hesitation.

The RTX 4090 D's 98th percentile placement means it outperforms 98% of all GPUs tracked in the database. Its average score of 178,050 places it just 2.2% behind the RTX PRO 5000 Blackwell and 3.1% behind the A100 SXM4 80 GB, both of which are professional-grade accelerators. This is not merely a gaming card; it is a compute powerhouse that rivals dedicated workstation silicon.

The TITAN X Pascal, while still a capable card at the 91st percentile, is firmly a product of its era. Its average score of 72,098 places it in the same neighborhood as the AMD Radeon Pro Vega 64 (72,379, or 0.4% higher) and the AMD Radeon RX 6650M (71,768, or 0.5% lower). These are mid-range modern parts, not flagship competitors. The TITAN X Pascal's 12 GB of GDDR5X memory and 480.4 GB/s bandwidth are dwarfed by the RTX 4090 D's 24 GB of GDDR6X and 1.01 TB/s.

For specific user profiles, the verdict splits as follows. Compute professionals, AI researchers, and enthusiasts running OpenCL or Vulkan workloads should pick the RTX 4090 D. Its launch MSRP was 1,599 USD, and it delivers performance that justifies that positioning relative to the TITAN X Pascal's 1,199 USD launch MSRP. The TITAN X Pascal makes sense only for collectors or those running legacy software that predates the Ada Lovelace architecture, though the database does not quantify such compatibility advantages.

Head-to-Head Benchmarks

The two recorded head-to-head tests both favor the RTX 4090 D by enormous margins. The first, Geekbench OpenCL, shows the RTX 4090 D scoring 278,621 against the TITAN X Pascal's 66,696. The 317.7% delta means the newer card is roughly 4.2 times faster in this compute workload. This test exercises general-purpose GPU compute, and the results reflect the RTX 4090 D's 73.54 TFLOPS FP32 throughput versus the TITAN X Pascal's 10.97 TFLOPS.

The second test, Geekbench Vulkan, shows a 218.6% advantage for the RTX 4090 D, with scores of 246,941 and 77,499 respectively. Vulkan is a low-level graphics and compute API, and the RTX 4090 D's 114 RT cores and 456 tensor cores provide capabilities the TITAN X Pascal simply does not have, as the older card lists no RT or tensor core counts. The newer architecture also supports DirectX 12 Ultimate (12_2), while the TITAN X Pascal maxes out at DirectX 12 (12_1).

The delta between the two tests is worth noting. The OpenCL gap (317.7%) is larger than the Vulkan gap (218.6%), suggesting the RTX 4090 D's compute advantage is even more pronounced in raw compute workloads than in graphics-oriented API tests. This aligns with the FP32 to FP16 ratio difference: the RTX 4090 D delivers 73.54 TFLOPS in both FP32 and FP16 (1:1), while the TITAN X Pascal manages only 10.97 TFLOPS FP32 and a paltry 171.5 GFLOPS FP16 (1:64). The Pascal card's FP16 performance is effectively an afterthought, while Ada Lovelace treats it as a first-class citizen.

Memory bandwidth also explains part of the gap. The RTX 4090 D's 1.01 TB/s is more than double the TITAN X Pascal's 480.4 GB/s, and the newer card's 24 GB capacity doubles the older card's 12 GB. For memory-bound workloads, this difference alone would produce substantial performance separation.

FAQ

Q: Which card has a higher average benchmark score?

A: The NVIDIA GeForce RTX 4090 D averages 178,050 across all recorded tests, while the NVIDIA TITAN X Pascal averages 72,098. The RTX 4090 D also ranks at the 98th percentile among all GPUs, versus the TITAN X Pascal's 91st percentile.

Q: How much faster is the RTX 4090 D in OpenCL?

A: The RTX 4090 D scores 278,621 in Geekbench OpenCL versus the TITAN X Pascal's 66,696, a 317.7% advantage. This means the newer card is more than four times faster in this workload.

Q: Does the TITAN X Pascal win any head-to-head benchmark?

A: No. The database records two head-to-head tests (Geekbench OpenCL and Geekbench Vulkan), and the RTX 4090 D wins both. The wins count is 2 for the RTX 4090 D and 0 for the TITAN X Pascal.

Q: What are the memory specifications for each card?

A: The RTX 4090 D has 24 GB of GDDR6X memory on a 384-bit bus with 1.01 TB/s bandwidth. The TITAN X Pascal has 12 GB of GDDR5X memory on a 384-bit bus with 480.4 GB/s bandwidth.

Q: How do the cards compare in Vulkan performance?

A: In Geekbench Vulkan, the RTX 4090 D scores 246,941 versus the TITAN X Pascal's 77,499, a 218.6% delta. The RTX 4090 D also supports Vulkan 1.4, matching the TITAN X Pascal's Vulkan 1.4 support.

Q: What are the nearest rivals for each card in the database?

A: The RTX 4090 D's closest competitor is the NVIDIA RTX PRO 5000 Blackwell at 182,109 average score (2.2% higher), followed by the NVIDIA A100 SXM4 80 GB at 183,725 (3.1% higher). The TITAN X Pascal's nearest rival is the AMD Radeon Pro Vega 64 at 72,379 (0.4% higher), with the AMD Radeon RX 6650M at 71,768 (0.5% lower).

Architecture Differences

The two cards represent a generational chasm in NVIDIA's design philosophy. The RTX 4090 D uses the AD102 chip built on Ada Lovelace architecture at TSMC's 5 nm process. The TITAN X Pascal uses the GP102 chip on Pascal architecture at TSMC's 16 nm process. The process node shrink is substantial, enabling the RTX 4090 D to pack 76,300 million transistors on a 609 mm² die, yielding a density of 125.3 million transistors per square millimeter. The TITAN X Pascal, by contrast, contains 11,800 million transistors on a 471 mm² die, a density of just 25.1 million per square millimeter.

The core configuration differences are dramatic. The RTX 4090 D has 14,592 shading units, 456 texture mapping units, and 176 raster output units. It also includes 114 RT cores and 456 tensor cores, enabling hardware-accelerated ray tracing and AI workloads. The TITAN X Pascal has 3,584 shading units, 224 TMUs, and 96 ROPs, with no RT cores or tensor cores listed. This means the Pascal card cannot accelerate ray tracing or tensor operations in hardware.

Clock speeds have also risen significantly. The RTX 4090 D runs at a 2280 MHz base and 2520 MHz boost, while the TITAN X Pascal operates at 1417 MHz base and 1531 MHz boost. Combined with the massive core count difference, this explains the FP32 throughput gap: 73.54 TFLOPS versus 10.97 TFLOPS.

Memory architecture shows both continuity and evolution. Both cards use a 384-bit memory bus, but the RTX 4090 D employs GDDR6X at 21 Gbps effective, achieving 1.01 TB/s bandwidth. The TITAN X Pascal uses GDDR5X at 10 Gbps effective, achieving 480.4 GB/s. Capacity doubles from 12 GB to 24 GB.

The FP16 capability difference is particularly stark. The RTX 4090 D delivers 73.54 TFLOPS FP16 at a 1:1 ratio with FP32, meaning it can process half-precision data at full speed. The TITAN X Pascal manages only 171.5 GFLOPS FP16 at a 1:64 ratio, making it 64 times slower in FP16 than in FP32. This alone disqualifies the Pascal card for modern AI inference workloads.

Other architectural differences include the power delivery and physical design. The RTX 4090 D has a 425 W TDP with a triple-slot cooler and a single 16-pin power connector, requiring an 800 W suggested PSU. The TITAN X Pascal draws 250 W with a dual-slot cooler, uses one 6-pin and one 8-pin connector, and needs a 600 W PSU. The RTX 4090 D is also larger: 304 mm long, 137 mm tall, and 61 mm wide, versus the TITAN X Pascal's 267 mm, 112 mm, and 40 mm.

The RTX 4090 D supports PCIe 4.0 x16, doubling the TITAN X Pascal's PCIe 3.0 x16 bandwidth. Display outputs also differ: the RTX 4090 D offers one HDMI 2.1 and three DisplayPort 1.4a, while the TITAN X Pascal has one DVI, one HDMI 2.0, and three DisplayPort 1.4a. The RTX 4090 D supports DirectX 12 Ultimate (12_2), while the TITAN X Pascal is limited to DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4.