NVIDIA GB10 vs NVIDIA RTX 6000 Ada Generation Comparison

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA RTX 6000 Ada Generation records an average benchmark score of 287,237, while the NVIDIA GB10 scores 117,393. The RTX 6000 Ada Generation sits in the 99th percentile of all GPUs, compared to the GB10's 95th percentile.

Q: How do the two compare in raw compute throughput?

A: The RTX 6000 Ada Generation delivers 91.06 TFLOPS of FP32 compute, while the GB10 delivers 29.71 TFLOPS. That is roughly three times the single-precision throughput for the workstation card.

Q: What memory configurations do they ship with?

A: The RTX 6000 Ada Generation has 48 GB of GDDR6 memory on a 384-bit bus with 960.0 GB/s bandwidth. The GB10 has 128 GB of LPDDR5X on a 256-bit bus with 273.2 GB/s bandwidth, favoring the GB10 in capacity but not in bandwidth.

Q: Which GPU supports newer PCIe technology?

A: The GB10 uses a PCIe 5.0 x16 interface, while the RTX 6000 Ada Generation uses PCIe 4.0 x16. The GB10 also lacks DirectX, OpenGL, and Vulkan API support, whereas the RTX 6000 Ada Generation supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4.

Q: What are the power requirements for each card?

A: The RTX 6000 Ada Generation has a TDP of 300 W with a suggested PSU of 700 W and a single 16-pin connector. The GB10 has a TDP of 140 W with a suggested PSU of 300 W and no power connectors, reflecting its integrated form factor.

Q: Which GPU holds the lead in the head-to-head OpenCL benchmark?

A: The RTX 6000 Ada Generation scores 311,629 in Geekbench OpenCL, which is 159.4% higher than the GB10's 120,137. The Vulkan test shows a similar gap, with the RTX 6000 Ada Generation ahead by 129.3%.

Architecture Differences

The two GPUs come from different NVIDIA architectures and target entirely different segments. The RTX 6000 Ada Generation is built on the Ada Lovelace architecture using the AD102 chip, fabricated on a 5 nm process at TSMC. The GB10 uses the Blackwell 2.0 architecture with the GB20B chip, also on a 5 nm process at TSMC, but it belongs to the Server Blackwell (Bxx) generation rather than the Workstation Ada line.

Transistor counts differ substantially. The AD102 chip packs 76,300 million transistors into a 609 mm² die, yielding a transistor density of 125.3 million per square millimeter. The GB20B die measures 382 mm², but its transistor count is listed as unknown in the database, so a direct density comparison is not possible. The die size difference alone indicates a much larger physical implementation for the workstation part.

Core configurations diverge sharply. The RTX 6000 Ada Generation features 18,176 shading units, 568 texture mapping units, 192 ROPs, 142 RT cores, and 568 tensor cores. The GB10 has 6,144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 384 tensor cores. This means the Ada card has nearly three times the shading units, roughly 1.5 times the TMUs, and four times the ROPs.

The memory subsystem also reflects their different roles. The RTX 6000 Ada Generation uses 48 GB of GDDR6 with a 384-bit bus, achieving 960.0 GB/s of bandwidth. The GB10 uses 128 GB of LPDDR5X on a 256-bit bus, delivering only 273.2 GB/s. The GB10 offers more capacity but significantly less bandwidth, which aligns with its server-oriented design where memory volume may matter more than raw throughput.

Clock behavior differs as well. The GB10 has a higher base clock at 1665 MHz compared to 915 MHz for the RTX 6000 Ada Generation, but the boost clocks are closer: 2418 MHz for the GB10 versus 2505 MHz for the Ada card. The memory clocks also differ, with the RTX 6000 Ada Generation running at 2500 MHz (20 Gbps effective) while the GB10 runs at 1067 MHz (8.5 Gbps effective).

API support is a major architectural differentiator. The RTX 6000 Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The GB10 lists all three APIs as N/A, indicating it is not designed for traditional graphics workloads. The GB10 also has only a single HDMI output, whereas the RTX 6000 Ada Generation provides four DisplayPort 1.4a outputs.

Where Each One Wins

The RTX 6000 Ada Generation dominates in raw compute and graphics performance across both recorded benchmarks. In Geekbench OpenCL, it scores 311,629 versus 120,137 for the GB10, a 159.4% advantage. In Geekbench Vulkan, it scores 262,845 versus 114,648, a 129.3% lead. The database records two benchmark wins for the RTX 6000 Ada Generation and zero for the GB10.

The RTX 6000 Ada Generation is clearly the choice for compute-heavy workstation tasks that leverage FP32 throughput, high memory bandwidth, and full graphics API support. Its 91.06 TFLOPS of FP32 performance, 1,422.8 GTexel/s texture rate, and 481.0 GPixel/s pixel rate make it suitable for rendering, simulation, and AI inference workloads that can use its 568 tensor cores. The near 1:1 FP16 ratio (91.06 TFLOPS) also provides strong half-precision compute for machine learning applications.

The GB10 wins in memory capacity, offering 128 GB versus 48 GB, which can be advantageous for large model inference or datasets that exceed the Ada card's memory pool. Its lower TDP of 140 W and compact IGP form factor (150 mm by 51 mm by 150 mm) make it suitable for dense server deployments where space and power are constrained. The GB10 also supports PCIe 5.0, providing double the bus bandwidth of the RTX 6000 Ada Generation's PCIe 4.0 interface, which can reduce data transfer bottlenecks in certain workloads.

The GB10's higher base clock (1665 MHz versus 915 MHz) suggests it may have better sustained performance in power-limited scenarios, though its boost clock is slightly lower. The GB10 is also actively in production, while the RTX 6000 Ada Generation is listed as end-of-life, meaning the GB10 has a longer expected availability window for new deployments.

Specification Differences

The two GPUs differ across nearly every major specification field. The RTX 6000 Ada Generation uses the AD102 chip on the Ada Lovelace architecture, while the GB10 uses the GB20B chip on Blackwell 2.0. The RTX 6000 Ada Generation belongs to the Workstation Ada generation; the GB10 belongs to the Server Blackwell (Bxx) generation.

Process node: both use 5 nm at TSMC, but the RTX 6000 Ada Generation has a die size of 609 mm² versus 382 mm² for the GB10. Transistor count is 76,300 million for the Ada card and unknown for the GB10.

Clocks: base clock is 915 MHz for the RTX 6000 Ada Generation and 1665 MHz for the GB10. Boost clock is 2505 MHz versus 2418 MHz. Memory clock is 2500 MHz (20 Gbps effective) versus 1067 MHz (8.5 Gbps effective).

Memory: 48 GB GDDR6 on a 384-bit bus with 960.0 GB/s bandwidth versus 128 GB LPDDR5X on a 256-bit bus with 273.2 GB/s bandwidth.

Compute units: 18,176 shading units, 568 TMUs, 192 ROPs, 142 RT cores, and 568 tensor cores for the Ada card. The GB10 has 6,144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 384 tensor cores.

Rates: the RTX 6000 Ada Generation achieves 481.0 GPixel/s and 1,422.8 GTexel/s, while the GB10 achieves 116.1 GPixel/s and 928.5 GTexel/s. FP32 is 91.06 TFLOPS versus 29.71 TFLOPS; FP16 is also 91.06 TFLOPS versus 29.71 TFLOPS, both at 1:1 ratios.

Power and physical: TDP is 300 W versus 140 W. The Ada card is dual-slot with a 16-pin connector and 700 W suggested PSU; the GB10 is an IGP with no connectors and a 300 W suggested PSU. The Ada card measures 267 mm by 112 mm; the GB10 measures 150 mm by 51 mm by 150 mm.

Interfaces and outputs: PCIe 4.0 x16 versus PCIe 5.0 x16. Display outputs are four DisplayPort 1.4a versus one HDMI. API support: DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4 versus N/A for all three.

Production status: end-of-life versus active. Release dates: 2022-12-02 versus 2025-10-14. Predecessors: Workstation Ampere versus Server Hopper. Successors: Blackwell PRO W versus Server Rubin.

Head-to-Head Benchmarks

The database records two head-to-head benchmark comparisons, both favoring the NVIDIA RTX 6000 Ada Generation by a wide margin.

In Geekbench OpenCL, the RTX 6000 Ada Generation scores 311,629 against the GB10's 120,137. The delta is 159.4%, meaning the Ada card delivers more than two and a half times the OpenCL performance of the GB10. This is the larger of the two gaps and reflects the substantial difference in shading units (18,176 versus 6,144) and FP32 throughput (91.06 TFLOPS versus 29.71 TFLOPS). For OpenCL workloads, which often scale with raw compute resources, this result is consistent with the hardware specifications.

In Geekbench Vulkan, the RTX 6000 Ada Generation scores 262,845 versus 114,648 for the GB10, a delta of 129.3%. The absolute difference here is 148,197 points, slightly smaller than the OpenCL gap of 191,492 points. The Vulkan result is notable because the GB10 lists Vulkan support as N/A in its API field, yet it still produces a measurable score. The RTX 6000 Ada Generation's full Vulkan 1.4 support likely contributes to its advantage, though the core count disparity is the primary driver.

The RTX 6000 Ada Generation also holds a decisive lead in the average benchmark score comparison: 287,237 versus 117,393. This 169,844-point gap places the Ada card in the 99th percentile of all GPUs, while the GB10 sits in the 95th percentile. In the nearest rival context, the RTX 6000 Ada Generation is 1.1% ahead of the NVIDIA L40 (284,111) and 14.4% ahead of the NVIDIA L20 (251,147), but it trails the AMD Instinct MI300X (317,994) by 9.7%. The GB10 is nearly tied with the NVIDIA RTX 4000 SFF Ada Generation (117,088, just 0.3% behind) and the AMD Radeon PRO W7700 (118,976, 1.3% ahead), while leading the NVIDIA Tesla V100 SXM2 16 GB (114,395) by 2.6% and the NVIDIA RTX A5500 Mobile (113,944) by 3.0%.

The benchmark data shows a consistent and large performance hierarchy: the RTX 6000 Ada Generation operates in a different performance class than the GB10, with the latter closer to mid-range workstation and mobile GPUs. The GB10's strengths lie elsewhere, specifically in memory capacity, power efficiency, and PCIe 5.0 connectivity, rather than in raw compute scores.