Intel Iris Pro Graphics P6300 vs NVIDIA RTX PRO 6000 Blackwell Server Comparison

The NVIDIA RTX PRO 6000 Blackwell Server and the Intel Iris Pro Graphics P6300 occupy opposite ends of the GPU spectrum, and the benchmark data reflects that divide clearly. The RTX PRO 6000 scores 5,996 in 3DMark Steel Nomad DX12, while the Iris Pro P6300 scores 5,712 in Geekbench OpenCL. On the surface, these numbers look close, but they come from entirely different test suites. The RTX PRO 6000’s score places it at the 34th percentile of all GPUs, sitting within 0.2% of the AMD FirePro W4100 and NVIDIA Quadro K4000M. The Iris Pro P6300 sits at the 33rd percentile, trailing the NVIDIA Quadro M500M by 1.9%. Neither card is a top-tier performer in their respective test pools, but the RTX PRO 6000 is a modern server accelerator while the Iris Pro is an end-of-life integrated part from 2014.

Head-to-Head Benchmarks

There are no direct head-to-head benchmark results shared between these two products in the data, so the comparison relies on their individual benchmark scores and nearest rivals. The RTX PRO 6000’s 5,996 score in 3DMark Steel Nomad DX12 is a DX12 workload, while the Iris Pro’s 5,712 score comes from Geekbench OpenCL. Because these are different tests with different scoring scales, a direct numerical comparison is not meaningful. What the data does show is their relative standing among peers. The RTX PRO 6000 is 0.1% behind the NVIDIA GeForce GTX 770M and AMD Radeon RX 6400, both scoring around 6,000. It is 0.2% ahead of the AMD FirePro W4100 and NVIDIA Quadro K4000M. The Iris Pro P6300 is 0.1% behind the NVIDIA GeForce GTX 670MX, 0.3% behind the GeForce GTX 550 Ti, and 0.4% ahead of the AMD Radeon HD 8790M.

The RTX PRO 6000’s nearest rival cluster shows a tightly packed group of older discrete cards, meaning its performance profile is comparable to mid-range GPUs from past generations, not the state-of-the-art server hardware its name suggests. The Iris Pro’s nearest rivals are similarly dated, but the key difference is that the Iris Pro is competing with old discrete GPUs while drawing only 15 W. In raw compute terms, the RTX PRO 6000 delivers 126.0 TFLOPS FP32, while the Iris Pro P6300 manages 614.4 GFLOPS FP32. That is a 205x difference in theoretical floating-point throughput, though the benchmark scores do not reflect that gap because they are not apples-to-apples tests. The pixel rate tells a similar story: 502.5 GPixel/s for the RTX PRO 6000 versus 4.8 GPixel/s for the Iris Pro. Texture rate is 1,968 GTexel/s versus 38.4 GTexel/s.

The RTX PRO 6000 has 24,064 shading units, 752 TMUs, and 192 ROPs, while the Iris Pro has 384 shading units, 48 TMUs, and 6 ROPs. In every hardware count, the RTX PRO 6000 outclasses the Iris Pro by orders of magnitude. The RTX PRO 6000 also has 188 RT cores and 752 tensor cores, features entirely absent from the Iris Pro. The RTX PRO 6000’s memory subsystem is 96 GB of GDDR7 on a 512-bit bus with 1.79 TB/s bandwidth, while the Iris Pro uses system shared memory with bandwidth listed as system dependent. The RTX PRO 6000 boosts to 2,617 MHz, while the Iris Pro boosts to 800 MHz. The base clocks are 1,590 MHz versus 300 MHz.

The Verdict

The data makes this a straightforward choice for any workload that requires serious compute. The RTX PRO 6000 is the only viable option for GPU-accelerated tasks like ray tracing, tensor operations, or high-resolution rendering. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the Iris Pro is limited to DirectX 12 (11_1), OpenGL 4.4, and Vulkan 1.0. The RTX PRO 6000 has a 600 W TDP and requires a 1000 W power supply, so it is a dual-slot card with a 16-pin connector. The Iris Pro is an IGP with a 15 W TDP, no power connector, and motherboard-dependent display outputs.

For anyone building a server or workstation, the RTX PRO 6000 is the clear pick. It is an active product with a successor already listed as Server Rubin, meaning it is a current-generation part. The Iris Pro is end-of-life, released in September 2014, and has no successor listed. The RTX PRO 6000’s 5 nm TSMC process versus the Iris Pro’s 14 nm Intel process shows the generational leap. The RTX PRO 6000 packs 92,200 million transistors on a 750 mm² die, while the Iris Pro’s transistor count and die size are not listed in the data. The RTX PRO 6000 uses PCIe 5.0 x16, while the Iris Pro connects via Ring Bus.

The only scenario where the Iris Pro makes sense is if you need a low-power integrated graphics solution for a basic display output on a Broadwell system. It uses system shared memory, so there is no dedicated VRAM cost. But the benchmark data shows it performs at the 33rd percentile, barely below the RTX PRO 6000’s 34th percentile in their respective test pools. That suggests that in real-world use, the Iris Pro is not dramatically worse than the RTX PRO 6000 in the specific tests measured, but the test types are different. The RTX PRO 6000 is tested in a DX12 workload, which is far more demanding than the OpenCL test used for the Iris Pro.

Where Each One Wins

The RTX PRO 6000 wins in every compute-heavy category. It has 24064 shading units versus 384, 752 TMUs versus 48, and 192 ROPs versus 6. Its FP32 throughput is 126.0 TFLOPS versus 614.4 GFLOPS. It has dedicated RT cores and tensor cores, which the Iris Pro lacks entirely. For any workload involving ray tracing, AI inference, or high-performance computing, the RTX PRO 6000 is the only choice. Its 96 GB of GDDR7 memory with 1.79 TB/s bandwidth is suited for large datasets, while the Iris Pro’s system shared memory is a bottleneck for any serious work.

The Iris Pro P6300 wins only in power efficiency and simplicity. At 15 W TDP, it consumes a fraction of the RTX PRO 6000’s 600 W. It is an integrated part with no slot width, no power connector, and no suggested PSU. It relies on system memory, so there is no dedicated VRAM allocation. For a basic office PC or a legacy Broadwell system that just needs display output, the Iris Pro is adequate. Its 4.8 GPixel/s pixel rate and 38.4 GTexel/s texture rate are enough for 2D workloads and light video playback. The RTX PRO 6000’s 502.5 GPixel/s and 1,968 GTexel/s are overkill for such tasks.

The RTX PRO 6000 also wins on API support. DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 are the latest versions, while the Iris Pro is stuck on DirectX 12 (11_1), OpenGL 4.4, and Vulkan 1.0. This matters for modern games and applications that rely on newer features. The RTX PRO 6000 has four DisplayPort 2.1b outputs, while the Iris Pro’s display outputs are motherboard dependent. For multi-monitor setups with high refresh rates, the RTX PRO 6000 is the better option.

FAQ

Q: Why do the benchmark scores look so close when the hardware specs are so different?

A: The RTX PRO 6000 was tested in 3DMark Steel Nomad DX12, scoring 5,996, while the Iris Pro P6300 was tested in Geekbench OpenCL, scoring 5,712. These are different test suites with different scoring methodologies, so the scores are not directly comparable. The hardware specs show a massive gap, but the benchmark scores reflect different workloads.

Q: Does the RTX PRO 6000 support ray tracing?

A: Yes. The RTX PRO 6000 has 188 RT cores and 752 tensor cores. The Intel Iris Pro P6300 has no RT cores or tensor cores listed in the data.

Q: Can the Intel Iris Pro P6300 handle modern games?

A: The data shows it supports DirectX 12 (11_1), OpenGL 4.4, and Vulkan 1.0. Its 384 shading units and 6 ROPs are very limited, and it has a 4.8 GPixel/s pixel rate. It is an end-of-life product from 2014, so it is not suited for modern gaming workloads.

Q: What is the memory configuration of each GPU?

A: The RTX PRO 6000 has 96 GB of GDDR7 memory on a 512-bit bus with 1.79 TB/s bandwidth. The Iris Pro P6300 uses system shared memory with a system dependent bandwidth and bus width.

Q: Which GPU is more power efficient?

A: The Iris Pro P6300 has a 15 W TDP and is an integrated part with no power connector. The RTX PRO 6000 has a 600 W TDP and requires a 1000 W suggested PSU with a 16-pin connector.

Q: Is the RTX PRO 6000 a current product?

A: The production status is listed as Active, with a release date of March 2025. Its predecessor is Server Hopper and its successor is Server Rubin. The Iris Pro P6300 is end-of-life with no successor listed.

Architecture Differences

The RTX PRO 6000 is built on NVIDIA’s Blackwell 2.0 architecture using the GB202 chip, fabricated on a 5 nm process at TSMC. It contains 92,200 million transistors on a 750 mm² die, giving a transistor density of 122.9M per mm². The Iris Pro P6300 uses Intel’s Generation 8.0 architecture with the Broadwell GT3e chip, fabricated on a 14 nm process at Intel. Its transistor count and die size are not listed in the data. The RTX PRO 6000 is part of the Server Blackwell (Bxx) generation, while the Iris Pro is from the HD Graphics-W (Broadwell) generation.

The RTX PRO 6000 has a base clock of 1,590 MHz and a boost clock of 2,617 MHz, with memory clocked at 1,750 MHz (28 Gbps effective). The Iris Pro has a base clock of 300 MHz and a boost clock of 800 MHz, with memory clocked as system shared. The RTX PRO 6000’s bus interface is PCIe 5.0 x16, while the Iris Pro uses a Ring Bus. The RTX PRO 6000 has 24,064 shading units, 752 TMUs, and 192 ROPs, plus 188 RT cores and 752 tensor cores. The Iris Pro has 384 shading units, 48 TMUs, and 6 ROPs, with no RT or tensor cores.

The RTX PRO 6000 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Iris Pro supports DirectX 12 (11_1), OpenGL 4.4, and Vulkan 1.0. The RTX PRO 6000 has four DisplayPort 2.1b outputs, while the Iris Pro’s display outputs are motherboard dependent. The RTX PRO 6000 is a dual-slot card measuring 267 mm in length, 111 mm in height, and 40 mm in width. The Iris Pro has no listed dimensions because it is an integrated GPU.

Specification Differences

The RTX PRO 6000 and Intel Iris Pro P6300 differ in nearly every listed specification. The RTX PRO 6000 has 96 GB of GDDR7 memory, while the Iris Pro uses system shared memory. The memory bus width is 512-bit for the RTX PRO 6000 versus system shared for the Iris Pro. Bandwidth is 1.79 TB/s versus system dependent. The RTX PRO 6000 has 24,064 shading units, 752 TMUs, and 192 ROPs. The Iris Pro has 384 shading units, 48 TMUs, and 6 ROPs.

The RTX PRO 6000 has 188 RT cores and 752 tensor cores. The Iris Pro has none. The RTX PRO 6000’s pixel rate is 502.5 GPixel/s, and its texture rate is 1,968 GTexel/s. The Iris Pro’s pixel rate is 4.8 GPixel/s, and its texture rate is 38.4 GTexel/s. FP32 performance is 126.0 TFLOPS for the RTX PRO 6000 versus 614.4 GFLOPS for the Iris Pro. The RTX PRO 6000 also lists FP16 at 126.0 TFLOPS (1:1), while the Iris Pro has no FP16 data.

The TDP is 600 W for the RTX PRO 6000 versus 15 W for the Iris Pro. The RTX PRO 6000 is a dual-slot card with a 1x 16-pin power connector and a 1000 W suggested PSU. The Iris Pro is an IGP with no power connector and no suggested PSU. The bus interface is PCIe 5.0 x16 versus Ring Bus. Display outputs are 4x DisplayPort 2.1b versus motherboard dependent. The RTX PRO 6000 is 267 mm long, 111 mm tall, and 40 mm wide. The Iris Pro has no listed dimensions. Production status is Active versus end-of-life. Release dates are March 2025 versus September 2014.