AMD Radeon RX 9070 vs NVIDIA B200 SXM6 Comparison

FAQ

Q: What is the AMD Radeon RX 9070 and what architecture does it use?

A: The AMD Radeon RX 9070 is part of the Radeon RX 9000 series, built on the Navi 48 chip with RDNA 4.0 architecture. It uses TSMC's 4 nm process node and contains 53,900 million transistors on a 357 mm² die.

Q: What is the NVIDIA B200 SXM6 and how is it positioned?

A: The NVIDIA B200 SXM6 is a server accelerator built on the GB100 chip with Blackwell architecture. It uses TSMC's 5 nm process node and contains 208,000 million transistors on a 1628 mm² die. It is classified under the Server Blackwell (Bxx) generation.

Q: What are the memory specifications for each product?

A: The RX 9070 has 16 GB of GDDR6 memory on a 256-bit bus with 644.6 GB/s bandwidth. The B200 SXM6 has 180 GB of HBM3e memory on an 8192-bit bus with 8.19 TB/s bandwidth.

Q: What is the power draw difference between the two?

A: The RX 9070 has a TDP of 220 W with a suggested PSU of 550 W. The B200 SXM6 has a TDP of 1000 W with a suggested PSU of 1400 W. The B200 SXM6 is an SXM Module form factor, while the RX 9070 is dual-slot.

Q: Do both products support the same APIs?

A: No. The RX 9070 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The B200 SXM6 has no API support listed, with DirectX, OpenGL, and Vulkan all marked as N/A.

Q: What is the release date and launch MSRP for each?

A: The RX 9070 was released on 2025-03-05 with a launch MSRP of 549 USD. The B200 SXM6 was released on 2024-10-31 with a launch MSRP of 34,999 USD.

The Verdict

The data positions these two products in entirely different market segments. The AMD Radeon RX 9070 is a client graphics card with a 69th percentile ranking among all GPUs in the database, an average benchmark score of 23877, and a full suite of DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support. It delivers display outputs via HDMI 2.1b and DisplayPort 2.1a, making it suitable for conventional graphics workloads.

The NVIDIA B200 SXM6 is a server accelerator with no benchmark scores recorded, a 50th percentile ranking, and no display outputs. Its API support is marked N/A, indicating it is not designed for client-side graphics rendering. The B200 SXM6 has a successor listed as Server Rubin, while the RX 9070 has no successor.

For users requiring a graphics card with standard display connectivity and consumer API support, the RX 9070 is the only option between the two. For compute workloads that benefit from a 180 GB HBM3e memory pool, 592 tensor cores, and an 8192-bit memory bus, the B200 SXM6 is the clear choice. The data does not show any overlapping use case where both would be considered alternatives.

Head-to-Head Benchmarks

The database contains no directly comparable benchmark results between the AMD Radeon RX 9070 and the NVIDIA B200 SXM6. The RX 9070 has ten recorded benchmark scores across 3DMark, Geekbench, and Passmark tests. The B200 SXM6 has zero recorded benchmarks, resulting in zero wins for either product in head-to-head comparisons.

The RX 9070's recorded scores include a 3DMark Steel Nomad DX12 score of 6290, a Geekbench OpenCL score of 131539, and a Geekbench Vulkan score of 58705. Passmark results show a G3D score of 25381, a GPU Compute score of 14737, and a G2D score of 1280. The DirectX 9, 10, 11, and 12 scores are 343, 141, 281, and 74 respectively.

The nearest rivals for the RX 9070, based on average benchmark score, provide useful context. The NVIDIA GeForce GTX TITAN Z has an average score of 23736, which is 0.6% behind the RX 9070. The AMD Radeon RX 6800S scores 24063, placing it 0.8% ahead. The NVIDIA GeForce RTX 3080 Mobile scores 23628, coming in 1.1% behind. The NVIDIA GeForce RTX 2080 SUPER scores 24170, sitting 1.2% ahead. These deltas indicate the RX 9070 sits in a tightly contested performance band among these four rivals.

The B200 SXM6 has no nearest rivals listed in the database and no average benchmark score to compare. Its 50th percentile ranking among all GPUs reflects the absence of recorded performance data rather than a direct performance assessment.

Specification Differences

The two products differ across nearly every measurable specification. The RX 9070 uses a 4 nm process node, while the B200 SXM6 uses 5 nm. Transistor counts show the B200 SXM6 with 208,000 million transistors versus 53,900 million for the RX 9070, a substantial difference that corresponds to their die sizes of 1628 mm² and 357 mm² respectively. Transistor density is higher on the RX 9070 at 151.0M per mm² versus 127.8M per mm² for the B200 SXM6.

Clock speeds diverge significantly. The RX 9070 has a base clock of 1330 MHz, a boost clock of 2520 MHz, and a game clock of 2070 MHz. The B200 SXM6 has a base clock of 120 MHz and a boost clock of 1830 MHz, with no game clock listed. Memory clocks also differ: the RX 9070 runs at 2518 MHz with 20.1 Gbps effective, while the B200 SXM6 runs at 2000 MHz with 8 Gbps effective.

Memory configurations are in different classes. The RX 9070 uses 16 GB GDDR6 on a 256-bit bus with 644.6 GB/s bandwidth. The B200 SXM6 uses 180 GB HBM3e on an 8192-bit bus with 8.19 TB/s bandwidth. The B200 SXM6 delivers roughly 12.7 times the memory capacity and over 12 times the bandwidth.

Compute unit counts show the B200 SXM6 with 18944 shading units, 592 TMUs, and 24 ROPs. The RX 9070 has 3584 shading units, 224 TMUs, and 128 ROPs. The B200 SXM6 has 592 tensor cores, while the RX 9070 has none listed. The RX 9070 has 56 ray tracing cores, while the B200 SXM6 has none listed.

Pixel and texture rates reflect these differences. The RX 9070 achieves 322.6 GPixel/s and 564.5 GTexel/s. The B200 SXM6 achieves 43.92 GPixel/s and 1,083.4 GTexel/s. FP32 and FP16 throughput are both 36.13 TFLOPS for the RX 9070, while the B200 SXM6 delivers 69.34 TFLOPS for both.

Bus interfaces differ as well. The RX 9070 uses PCIe 5.0 x16, while the B200 SXM6 uses PCIe 6.0 x16. The RX 9070 has display outputs of 1x HDMI 2.1b and 3x DisplayPort 2.1a, while the B200 SXM6 has no outputs. Power requirements show the RX 9070 at 220 W with 2x 8-pin connectors, while the B200 SXM6 draws 1000 W with no connectors listed, consistent with its SXM Module form factor.

Architecture Differences

The architectural split between these two products is fundamental. The RX 9070 uses RDNA 4.0 architecture, which is designed for client graphics with DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 API support. Its 56 ray tracing cores indicate a focus on real-time ray tracing workloads, which aligns with its consumer positioning. The architecture is part of the Navi IV (RX 9000) generation and succeeds Navi III.

The B200 SXM6 uses Blackwell architecture, which targets server and data center workloads. Its 592 tensor cores point to a compute-focused design, with no ray tracing cores listed. The API support is entirely absent, confirming that this is not a graphics-rendering product. The architecture belongs to the Server Blackwell (Bxx) generation and succeeds Server Hopper, with Server Rubin listed as its successor.

The cache hierarchy is not specified in the database for either product, but the memory subsystem differences are instructive. The B200 SXM6 relies on HBM3e with an 8192-bit bus, which is characteristic of high-bandwidth compute accelerators. The RX 9070 uses GDDR6 on a 256-bit bus, which is typical for client graphics cards. The B200 SXM6's 180 GB memory capacity is roughly 11 times larger than the RX 9070's 16 GB, indicating workloads that require massive data residency.

Shading unit counts reinforce the architectural split. The B200 SXM6 has 18944 shading units, which is approximately 5.3 times the RX 9070's 3584. However, the B200 SXM6 has only 24 ROPs versus 128 ROPs on the RX 9070, which reflects the different rendering pipelines. The RX 9070's higher ROP count and higher pixel rate of 322.6 GPixel/s versus 43.92 GPixel/s for the B200 SXM6 indicate that the RX 9070 is optimized for final pixel output, while the B200 SXM6 prioritizes compute throughput.

Transistor density favors the RX 9070 at 151.0M per mm² versus 127.8M per mm² for the B200 SXM6, despite the B200's larger absolute transistor count. This suggests the RDNA 4.0 design achieves higher density on the 4 nm process, while the Blackwell design on 5 nm has more area available for the massive memory interface and tensor core array. The 592 TMUs on the B200 SXM6 versus 224 on the RX 9070, combined with the 1,083.4 GTexel/s texture rate, show where the B200 SXM6 allocates its silicon area.

The release dates place the B200 SXM6 earlier, with a release date of 2024-10-31 versus 2025-03-05 for the RX 9070. Both are marked as Active in production status. The B200 SXM6 is the older product with a defined successor, while the RX 9070 is the newer product without a successor listed.