NVIDIA GB10 vs NVIDIA RTX 6000D Comparison

The NVIDIA RTX 6000D and NVIDIA GB10 are both Blackwell 2.0 architecture parts, but they are engineered for entirely different workloads and performance tiers. The benchmark data shows a decisive victory for the RTX 6000D in raw compute, yet the GB10 counters with a significant memory capacity advantage and drastically lower power requirements. This analysis breaks down the head-to-head data, architectural splits, and the specific use cases where each GPU justifies its existence.

Head-to-Head Benchmarks

The only shared benchmark between the two cards is Geekbench OpenCL, and the result is a landslide. The RTX 6000D scores 388,405, while the GB10 manages 120,137. That translates to a 223.3% advantage for the RTX 6000D, meaning it is more than three times faster in this compute-oriented test. This is the single largest performance gap in the data, and it establishes the RTX 6000D as the undisputed compute champion of this pairing.

The delta is so large that it defines the entire comparison. The RTX 6000D’s average benchmark score of 195,964 places it in the 98th percentile of all GPUs, while the GB10’s average of 117,393 sits in the 95th percentile. The gap between their average scores is roughly 67%, which is less extreme than the OpenCL result but still a massive chasm. The RTX 6000D’s nearest rivals in the database include the NVIDIA A100 PCIe 80 GB, which it trails by 5.4%, and the NVIDIA Tesla V100S PCIe 32 GB, which it leads by 0.8%. This shows the RTX 6000D is competing in the upper echelon of professional compute hardware.

Conversely, the GB10’s nearest rivals are far less powerful. It leads the NVIDIA RTX 4000 SFF Ada Generation by just 0.3%, trails the AMD Radeon PRO W7700 by 1.3%, and beats the NVIDIA Tesla V100 SXM2 16 GB by 2.6%. These are slim margins, indicating the GB10 is a mid-pack performer relative to the RTX 6000D’s top-tier status. The GB10 does not have a single head-to-head benchmark win against the RTX 6000D; its advantages lie entirely in specifications rather than measured performance.

Architecture Differences

Both GPUs are built on the Blackwell 2.0 architecture and fabricated by TSMC on a 5 nm process, but the similarities end there. The RTX 6000D uses the GB202 chip with a massive die size of 750 mm² and 92,200 million transistors, yielding a density of 122.9M transistors per mm². The GB10 uses the GB20B chip with a 382 mm² die and an unknown transistor count. The RTX 6000D’s die is nearly double the size, which directly explains its far higher compute throughput.

The memory subsystems are fundamentally different. The RTX 6000D comes with 84 GB of GDDR7 memory on a 448-bit bus, delivering 1.40 TB/s of bandwidth. The GB10 offers 128 GB of LPDDR5X memory on a 256-bit bus, but its bandwidth is only 273.2 GB/s. The RTX 6000D has over five times the memory bandwidth, which is critical for data-intensive workloads, while the GB10’s advantage is raw capacity — 44 GB more than the RTX 6000D.

Core counts reinforce the compute divide. The RTX 6000D has 19,968 shading units, 624 TMUs, 192 ROPs, 156 RT cores, and 624 tensor cores. The GB10 is equipped with 6,144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 384 tensor cores. The RTX 6000D has more than triple the shading units and more than triple the RT cores. This translates directly to peak performance: the RTX 6000D delivers 97.04 TFLOPS FP32 and FP16, while the GB10 delivers 29.71 TFLOPS in both precision formats.

Clock speeds tell a nuanced story. The RTX 6000D has a higher base clock at 1992 MHz versus 1665 MHz, but the boost clocks are nearly identical at 2430 MHz and 2418 MHz, respectively. The memory clocks differ significantly, with the RTX 6000D running at 1560 MHz (25 Gbps effective) versus 1067 MHz (8.5 Gbps effective) on the GB10. The rendering rates reflect these differences: the RTX 6000D achieves 466.6 GPixel/s and 1,516.3 GTexel/s, while the GB10 manages 116.1 GPixel/s and 928.5 GTexel/s.

FAQ

Q: Which GPU has higher raw compute performance in OpenCL?

A: The NVIDIA RTX 6000D scores 388,405 in Geekbench OpenCL, which is 223.3% higher than the GB10’s 120,137. This makes the RTX 6000D more than three times faster in this specific test.

Q: Does the GB10 have any performance advantage over the RTX 6000D?

A: No. In the head-to-head benchmark data, the RTX 6000D wins 1 test and the GB10 wins 0 tests. The GB10’s advantages are in specifications, not measured benchmark performance.

Q: How do their memory capacities and bandwidths compare?

A: The GB10 has 128 GB of LPDDR5X memory, which is 44 GB more than the RTX 6000D’s 84 GB of GDDR7. However, the RTX 6000D has a 448-bit bus and delivers 1.40 TB/s bandwidth, compared to the GB10’s 256-bit bus and 273.2 GB/s bandwidth.

Q: What are the power consumption differences?

A: The RTX 6000D has a 600 W TDP and requires a 1000 W power supply, while the GB10 has a 140 W TDP and only needs a 300 W power supply. The GB10 is an IGP (integrated graphics processor) with no power connectors, whereas the RTX 6000D uses a single 16-pin connector.

Q: Which GPU supports DirectX, OpenGL, and Vulkan?

A: The RTX 6000D supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The GB10 reports N/A for all three APIs, indicating it is not designed for traditional graphics rendering workloads.

Q: How do their form factors differ?

A: The RTX 6000D is a dual-slot card measuring 304 mm in length, 137 mm in height, and 40 mm in width. The GB10 is an IGP measuring 150 mm by 51 mm by 150 mm, which is a much smaller, embedded form factor.

Specification Differences

The specification sheets for these two GPUs diverge on nearly every measurable field. The RTX 6000D uses the GB202 chip, while the GB10 uses the GB20B. The die sizes are 750 mm² versus 382 mm², and the transistor count is 92,200 million for the RTX 6000D versus unknown for the GB10. The RTX 6000D has a transistor density of 122.9M / mm², which is not listed for the GB10.

Clock speeds differ: base clocks are 1992 MHz versus 1665 MHz, and memory clocks are 1560 MHz (25 Gbps) versus 1067 MHz (8.5 Gbps). Memory configurations are starkly different: 84 GB GDDR7 on a 448-bit bus versus 128 GB LPDDR5X on a 256-bit bus. Bandwidth is 1.40 TB/s versus 273.2 GB/s.

Core configurations are vastly different: 19,968 vs 6,144 shading units, 624 vs 384 TMUs, 192 vs 48 ROPs, 156 vs 48 RT cores, and 624 vs 384 tensor cores. Pixel rates are 466.6 GPixel/s versus 116.1 GPixel/s, and texture rates are 1,516.3 GTexel/s versus 928.5 GTexel/s. FP32 and FP16 performance is 97.04 TFLOPS versus 29.71 TFLOPS.

Power and physical specs also diverge: TDP is 600 W versus 140 W, slot width is dual-slot versus IGP, power connectors are 1x 16-pin versus none, and suggested PSU is 1000 W versus 300 W. Display outputs are 4x DisplayPort 2.1b versus 1x HDMI. The RTX 6000D supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the GB10 reports N/A for all. Dimensions are 304 mm x 137 mm x 40 mm versus 150 mm x 51 mm x 150 mm. The GB10 has a successor (Server Rubin) and its predecessor is Server Hopper, while the RTX 6000D’s predecessor is Workstation Ada and it has no successor listed.

Where Each One Wins

The RTX 6000D wins decisively in all measured performance categories. Its 223.3% OpenCL lead, combined with triple the shading units, RT cores, and FP32 throughput, makes it the clear choice for heavy compute workloads like AI training, scientific simulation, and high-resolution rendering. Its 1.40 TB/s memory bandwidth and 97.04 TFLOPS FP32 performance position it as a top-tier workstation GPU, sitting in the 98th percentile of all GPUs. It also offers modern graphics API support (DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4) and four DisplayPort outputs, making it suitable for professional visualization tasks.

The GB10 wins on memory capacity, power efficiency, and physical footprint. Its 128 GB of LPDDR5X memory exceeds the RTX 6000D’s 84 GB by 44 GB, which is advantageous for workloads that need to hold massive datasets in memory without constant swapping. Its 140 W TDP is less than a quarter of the RTX 6000D’s 600 W, and it requires no power connectors, making it suitable for compact, low-power server environments. Its IGP form factor (150 mm x 51 mm x 150 mm) is significantly smaller than the RTX 6000D’s dual-slot card, allowing for dense server deployments. Its 95th percentile ranking shows it still outperforms a majority of GPUs, but it trails the RTX 6000D significantly.

The Verdict

The data is unambiguous: the NVIDIA RTX 6000D is the superior performer for compute-intensive tasks. Its 388,405 OpenCL score crushes the GB10’s 120,137, and its 97.04 TFLOPS FP32 throughput is more than triple the GB10’s 29.71 TFLOPS. The RTX 6000D is also the only one of the two with graphics API support and multiple display outputs, making it a versatile workstation card. Anyone needing maximum raw performance, high memory bandwidth (1.40 TB/s), or professional rendering capabilities should choose the RTX 6000D.

The NVIDIA GB10 is not a competitor to the RTX 6000D; it is a complementary product for a different niche. Its 128 GB memory capacity is its standout feature, and its 140 W TDP makes it ideal for power-constrained or densely packed servers. The GB10’s performance is still respectable — it sits in the 95th percentile — but it is outclassed by the RTX 6000D in every benchmark. Choose the GB10 if you need maximum memory capacity and minimal power draw in a compact form factor; choose the RTX 6000D if you need uncompromising compute performance and are willing to supply 600 W of power and a 1000 W PSU. The performance gap is not close, and neither card is a substitute for the other.