NVIDIA RTX 5000 Mobile Ada Generation vs NVIDIA Rubin GPU Comparison

Where Each One Wins

The recorded database separates these two NVIDIA parts into entirely different performance classes. The RTX 5000 Mobile Ada Generation carries a single benchmark entry: 3DMark Steel Nomad DX12 with a score of 3596. That places it in the 21st percentile among all GPUs tracked in the database. The Rubin GPU, by contrast, has no completed benchmark entries, so its average benchmark score sits at zero. The percentile field for Rubin is listed at 50, but with no actual measured workload data, the database cannot assign it a verified win in any test.

Looking at the nearest rivals for the RTX 5000 Mobile Ada Generation, the scores cluster tightly. The GeForce GT 545 sits 0.1% above at 3594, the GeForce GT 735M is 0.6% ahead at 3616, the GeForce GTX 1050 leads by 0.9% with 3629, and the AMD Radeon HD 6770 is 1.5% ahead at 3649. These deltas are all within two percentage points, meaning the mobile Ada part trades blows with older desktop and mobile GPUs in this specific DirectX 12 workload. The Rubin GPU has no nearest rivals listed, so there is no comparative data to establish where it would land in any benchmark.

The use-case split comes down to availability of measured results. The RTX 5000 Mobile Ada Generation wins in the only category the database has recorded: it has a real score. The Rubin GPU wins in no measured category because no benchmark data exists for it. For any workload that resembles 3DMark Steel Nomad DX12, the mobile Ada part delivers a concrete result. For server-scale compute tasks, the Rubin part's specifications suggest capability, but the database contains no test scores to confirm actual performance.

Architecture Differences

The two GPUs come from different fabrication nodes and design philosophies. The RTX 5000 Mobile Ada Generation uses the AD103 chip built on a 5 nm TSMC process, with 45,900 million transistors on a 379 mm² die. That yields a transistor density of 121.1 million per mm². The Rubin GPU uses the GR100 chip on a 3 nm TSMC process, with 336,000 million transistors on a 1456 mm² die, giving a density of 230.8 million per mm². The Rubin die is roughly four times larger in area and carries over seven times the transistor count.

The memory subsystems diverge sharply. The mobile Ada part uses 16 GB of GDDR6 on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The Rubin GPU uses 288 GB of HBM4 on a 16384-bit bus, producing 22.1 TB/s of bandwidth. That is a difference of over 38 times in raw memory bandwidth. The bus width difference alone is dramatic: 256 bits versus 16384 bits.

Compute resources also differ substantially. The RTX 5000 Mobile Ada Generation has 9728 shading units, 304 texture mapping units, and 112 ROPs. It includes 76 ray tracing cores and 304 tensor cores. The Rubin GPU has 28672 shading units, 896 TMUs, and only 24 ROPs. It includes 896 tensor cores, and the database lists no ray tracing core count for Rubin. The shading unit count is nearly triple on Rubin, while the ROP count is much lower, which affects pixel throughput characteristics.

Clock behavior reflects their different roles. The mobile Ada part has a base clock of 1425 MHz and a boost clock of 2115 MHz. The Rubin GPU has a base clock of 700 MHz and a boost clock of 2267 MHz. The Rubin part starts much lower but boosts higher. Memory clocks also differ: the mobile Ada part runs at 2250 MHz with 18 Gbps effective, while Rubin runs at 2695 MHz with 10.8 Gbps effective.

The feature sets point to different deployment targets. The RTX 5000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Rubin GPU lists N/A for DirectX, OpenGL, and Vulkan, indicating it is not designed for conventional graphics API workloads. The mobile Ada part uses a PCIe 4.0 x16 interface, while Rubin uses PCIe 6.0 x16. Display outputs on the mobile part are "Portable Device Dependent," while Rubin has no display outputs at all.

Head-to-Head Benchmarks

The head-to-head benchmark table in the database is empty. There are no direct comparison tests between the RTX 5000 Mobile Ada Generation and the Rubin GPU. The only measured score belongs to the mobile Ada part, which recorded 3596 in 3DMark Steel Nomad DX12. That score places it in the 21st percentile among all GPUs. The Rubin GPU has no measured scores, so no direct comparison is possible.

The nearest rival data for the mobile Ada part provides context. The GeForce GT 545 scored 3594, which is 0.1% below the mobile Ada part. The GeForce GT 735M scored 3616, 0.6% above. The GeForce GTX 1050 scored 3629, 0.9% above. The AMD Radeon HD 6770 scored 3649, 1.5% above. These are small margins; the mobile Ada part sits in a crowded performance band where a few points separate competitors.

For the Rubin GPU, the absence of benchmark data means the database cannot confirm any head-to-head result. Its theoretical specifications, such as 130.0 TFLOPS of FP32 performance and 22.1 TB/s of memory bandwidth, imply a high ceiling, but without recorded test scores, those numbers remain unverified in practice. The mobile Ada part delivers 41.15 TFLOPS of FP32 and 576.0 GB/s of bandwidth, both measured specifications, but only the Steel Nomad score serves as an actual benchmark result.

The FP16 comparison shows a structural difference. The mobile Ada part lists FP16 at 41.15 TFLOPS with a 1:1 ratio to FP32. The Rubin GPU lists FP16 at 260.0 TFLOPS with a 2:1 ratio. That means Rubin's FP16 throughput is double its FP32 rate, while the mobile Ada part runs both at the same rate. For workloads that use FP16 tensor operations, the Rubin architecture has a clear design advantage on paper, but again, no benchmark confirms it.

The Verdict

The data supports different conclusions for different users. For anyone running DirectX 12 workloads on a portable device, the RTX 5000 Mobile Ada Generation has a verified score of 3596 in Steel Nomad, placing it in the 21st percentile. It competes within 1.5% of older parts like the GeForce GTX 1050 and AMD Radeon HD 6770. That makes it a known quantity for graphics-focused tasks.

For server or datacenter compute workloads, the Rubin GPU presents a different profile. It has 28672 shading units, 896 tensor cores, 288 GB of HBM4 memory, and 130.0 TFLOPS of FP32 performance. The memory bandwidth of 22.1 TB/s exceeds the mobile part by a massive margin. However, the database contains no benchmark results for Rubin, so its real-world performance cannot be validated from recorded data. The 2300 W TDP and 2700 W suggested PSU indicate a power envelope intended for rack-mounted systems, not portable devices.

The mobile Ada part uses 120 W TDP with no power connectors and an IGP slot width. The Rubin GPU uses an SXM Module slot width and requires external power infrastructure. These are different products for different environments. A user needing a mobile workstation GPU would select the RTX 5000 Mobile Ada Generation. A user building a server-class compute node would look at the Rubin GPU, but the database lacks measured evidence of its performance.

The percentile fields reflect this divide. The mobile Ada part sits at 21 percent, meaning it outperforms 21% of all GPUs in the database. The Rubin part sits at 50 percent, but that figure is not backed by any test score, so it should be read as a placeholder rather than a measured result.

FAQ

Q: What is the only benchmark score recorded for the RTX 5000 Mobile Ada Generation?

A: The database lists a single result: 3DMark Steel Nomad DX12 with a score of 3596. That score places it in the 21st percentile among all GPUs.

Q: Does the Rubin GPU have any recorded benchmark scores?

A: No. The benchmark list for the Rubin GPU is empty, and its average benchmark score is listed as 0. The database has no measured performance data for this part.

Q: How does the RTX 5000 Mobile Ada Generation compare to its nearest rivals?

A: Its closest competitors in the database are the GeForce GT 545 (0.1% below), GeForce GT 735M (0.6% above), GeForce GTX 1050 (0.9% above), and AMD Radeon HD 6770 (1.5% above). All deltas are within two percentage points.

Q: What memory configuration does each GPU use?

A: The RTX 5000 Mobile Ada Generation uses 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. The Rubin GPU uses 288 GB of HBM4 on a 16384-bit bus with 22.1 TB/s bandwidth.

Q: What are the FP32 performance figures for both GPUs?

A: The RTX 5000 Mobile Ada Generation delivers 41.15 TFLOPS of FP32. The Rubin GPU delivers 130.0 TFLOPS of FP32. For FP16, the mobile part also delivers 41.15 TFLOPS at a 1:1 ratio, while Rubin delivers 260.0 TFLOPS at a 2:1 ratio.

Q: Which GPU supports DirectX 12 Ultimate?

A: The RTX 5000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), along with OpenGL 4.6 and Vulkan 1.4. The Rubin GPU lists N/A for DirectX, OpenGL, and Vulkan, and has no display outputs.

Specification Differences

The two GPUs differ across nearly every specification field in the database. The process node differs: the mobile Ada part uses 5 nm, while Rubin uses 3 nm. Both come from TSMC. The transistor counts are 45,900 million versus 336,000 million. Die sizes are 379 mm² versus 1456 mm². Transistor density is 121.1M per mm² versus 230.8M per mm².

Clocks differ in base and boost frequencies. The mobile Ada part runs at 1425 MHz base and 2115 MHz boost. Rubin runs at 700 MHz base and 2267 MHz boost. Memory clocks are 2250 MHz with 18 Gbps effective for the mobile part, versus 2695 MHz with 10.8 Gbps effective for Rubin.

Memory capacity, type, bus width, and bandwidth all differ. The mobile part has 16 GB GDDR6, 256-bit bus, 576.0 GB/s. Rubin has 288 GB HBM4, 16384-bit bus, 22.1 TB/s.

Compute unit counts differ. Shading units: 9728 versus 28672. TMUs: 304 versus 896. ROPs: 112 versus 24. Ray tracing cores: 76 versus null. Tensor cores: 304 versus 896.

Pixel and texture rates differ. The mobile part has a pixel rate of 236.9 GPixel/s and texture rate of 643.0 GTexel/s. Rubin has a pixel rate of 54.41 GPixel/s and texture rate of 2031.2 GTexel/s. The higher texture rate on Rubin comes from the larger TMU count, while the lower pixel rate reflects the small ROP count.

FP32 and FP16 throughput differ. The mobile part lists 41.15 TFLOPS for both FP32 and FP16 at a 1:1 ratio. Rubin lists 130.0 TFLOPS FP32 and 260.0 TFLOPS FP16 at a 2:1 ratio.

Power and form factor differ. The mobile part has a 120 W TDP, IGP slot width, and no power connectors. Rubin has a 2300 W TDP, SXM Module slot width, and a suggested PSU of 2700 W. The bus interface is PCIe 4.0 x16 for the mobile part and PCIe 6.0 x16 for Rubin.

Display outputs differ. The mobile part lists "Portable Device Dependent" outputs. Rubin has no outputs. API support differs: the mobile part supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while Rubin lists N/A for all three.

Release dates differ. The mobile Ada part was released on March 20, 2023. Rubin is dated December 31, 2025. The production status for both is listed as Active. The predecessor and successor fields also differ: the mobile part follows Ampere-MW and precedes Blackwell-MW, while Rubin follows Server Blackwell and has no successor listed.