AMD Radeon RX 7900 GRE vs NVIDIA N1X 48SM Comparison

The AMD Radeon RX 7900 GRE and the NVIDIA N1X 48SM represent two fundamentally different approaches to graphics processing. The recorded data shows the RX 7900 GRE is a dedicated add-in board with a full benchmark profile, while the N1X 48SM is an integrated graphics processor (IGP) with no recorded benchmark scores in the database. This analysis relies solely on the specification and performance data available for each product.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries for these two products, and the NVIDIA N1X 48SM has an empty benchmark array. The AMD Radeon RX 7900 GRE, by contrast, has ten recorded benchmark scores. Its average benchmark score across all tests is 32456, placing it in the 77th percentile of all GPUs tracked. The N1X 48SM sits at the 50th percentile with an average benchmark score of 0, indicating no measured results are available.

For the RX 7900 GRE, the strongest recorded result is in Geekbench OpenCL with a score of 175758. The Geekbench Vulkan test returns 99850. In Passmark tests, the G3D score is 27089, the GPU compute score is 15016, and the G2D score is 1180. DirectX results are more modest: Passmark DirectX 11 scores 300, DirectX 9 scores 310, DirectX 10 scores 139, and DirectX 12 scores 107.

The nearest rivals for the RX 7900 GRE provide context for its average score. The AMD FirePro S10000 has an average score of 32388, which is 0.2 percent lower than the RX 7900 GRE. The AMD FirePro S9300 X2 scores 32540, putting it 0.3 percent ahead. The AMD Radeon RX 590 GME scores 32601, 0.4 percent ahead. The AMD Radeon Pro 570X scores 32176, which is 0.9 percent behind. These deltas are small, indicating the RX 7900 GRE sits in a tightly clustered performance band according to the database averages.

The N1X 48SM cannot be compared directly on any benchmark because no scores exist for it. Its 50th percentile ranking is a default position rather than a measured outcome. The RX 7900 GRE is the only one of the two with actionable performance data.

FAQ

Q: Does the NVIDIA N1X 48SM have any benchmark scores in the database?

A: No. The N1X 48SM has an empty benchmark list and an average benchmark score of 0. The RX 7900 GRE has ten recorded scores with an average of 32456.

Q: How does the RX 7900 GRE compare to its nearest rivals?

A: The RX 7900 GRE averages 32456. The AMD FirePro S10000 is 0.2 percent behind, the AMD FirePro S9300 X2 is 0.3 percent ahead, the AMD Radeon RX 590 GME is 0.4 percent ahead, and the AMD Radeon Pro 570X is 0.9 percent behind.

Q: What is the memory configuration of each product?

A: The RX 7900 GRE has 16 GB of GDDR6 on a 256 bit bus with 576.0 GB/s bandwidth. The N1X 48SM has 128 GB of LPDDR5X on a 256 bit bus with 273.2 GB/s bandwidth.

Q: Which product has higher raw compute throughput?

A: The RX 7900 GRE delivers 45.98 TFLOPS FP32 and 91.96 TFLOPS FP16 (2:1). The N1X 48SM delivers 28.83 TFLOPS FP32 and 28.83 TFLOPS FP16 (1:1).

Q: What are the pixel and texture rates?

A: The RX 7900 GRE has a pixel rate of 359.2 GPixel/s and a texture rate of 718.4 GTexel/s. The N1X 48SM has a pixel rate of 112.6 GPixel/s and a texture rate of 900.9 GTexel/s.

Q: What API support does each product list?

A: The RX 7900 GRE supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The N1X 48SM lists N/A for DirectX, OpenGL, and Vulkan.

Where Each One Wins

The RX 7900 GRE wins on every measured performance category because it is the only product with recorded data. Its 45.98 TFLOPS FP32 output is 59 percent higher than the N1X 48SM's 28.83 TFLOPS. The FP16 comparison is even more lopsided: the RX 7900 GRE reaches 91.96 TFLOPS while the N1X 48SM stays at 28.83 TFLOPS. Pixel throughput favors the RX 7900 GRE at 359.2 GPixel/s versus 112.6 GPixel/s, a margin of roughly 3.2 times. Texture rate is the one specification where the N1X 48SM leads: 900.9 GTexel/s versus 718.4 GTexel/s, an advantage of about 25 percent.

Memory bandwidth favors the RX 7900 GRE at 576.0 GB/s, more than double the N1X 48SM's 273.2 GB/s. The N1X 48SM counters with a much larger memory pool of 128 GB versus 16 GB, and it uses faster LPDDR5X memory compared to GDDR6. The N1X 48SM also has more shading units (6144 versus 5120), more TMUs (384 versus 320), and 192 tensor cores that the RX 7900 GRE lacks entirely. However, the RX 7900 GRE has 160 ROPs versus 48, and 80 ray tracing cores versus 48.

The RX 7900 GRE wins on interface maturity with PCIe 4.0 x16 and multiple display outputs including 1x HDMI 2.1a, 2x DisplayPort 2.1, and 1x USB Type-C. The N1X 48SM uses PCIe 5.0 x16 but lists only 1x HDMI. The RX 7900 GRE also has a defined power profile with a 260 W TDP and a 600 W suggested PSU, while the N1X 48SM has unknown TDP and no suggested PSU. The N1X 48SM is an IGP with no power connectors, whereas the RX 7900 GRE requires 2x 8-pin connectors.

Specification Differences

The two products differ in nearly every major specification. The RX 7900 GRE uses the Navi 31 chip on a 529 mm² die with 57,700 million transistors. The N1X 48SM uses the GB20B chip on a 382 mm² die with unknown transistor count. Both use a 5 nm process from TSMC, so the process node is identical. Transistor density for the RX 7900 GRE is 109.1M per mm²; the N1X 48SM has no recorded density.

Clock speeds differ significantly. The RX 7900 GRE has a base clock of 1287 MHz, a boost clock of 2245 MHz, and a game clock of 1880 MHz. Its memory runs at 2250 MHz with 18 Gbps effective. The N1X 48SM has a lower base clock of 741 MHz but a higher boost clock of 2346 MHz, and its memory runs at 1067 MHz with 8.5 Gbps effective. No game clock is recorded for the N1X 48SM.

Memory size is a major divergence: 16 GB GDDR6 for the RX 7900 GRE versus 128 GB LPDDR5X for the N1X 48SM. Bus width is the same at 256 bit for both. Bandwidth strongly favors the RX 7900 GRE at 576.0 GB/s versus 273.2 GB/s. The RX 7900 GRE has 5120 shading units, 320 TMUs, 160 ROPs, and 80 RT cores. The N1X 48SM has 6144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 192 tensor cores.

The RX 7900 GRE is a dual-slot card measuring 276 mm by 110 mm by 51 mm. The N1X 48SM is an IGP with no recorded dimensions. Power delivery differs completely: the RX 7900 GRE has a 260 W TDP with 2x 8-pin connectors and a 600 W suggested PSU, while the N1X 48SM has an unknown TDP, no connectors, and no suggested PSU. The RX 7900 GRE was released on 2023-07-26 with a launch MSRP of 549 USD. The N1X 48SM has a release date of 2026-05-31 and no launch MSRP. The RX 7900 GRE has a predecessor (Navi II) and successor (Navi IV), while the N1X 48SM has neither recorded.

Architecture Differences

The RX 7900 GRE is built on RDNA 3.0 with the codename Plum Bonito, belonging to the Navi III (RX 7000) generation. The N1X 48SM is built on Blackwell 2.0 with no codename, belonging to the Blackwell IGP (N1x) generation. Both are fabricated by TSMC on a 5 nm process, but the architectural goals differ.

RDNA 3.0 on the RX 7900 GRE uses a chiplet-style design with a 529 mm² die and 57,700 million transistors. The FP16 rate of 91.96 TFLOPS at a 2:1 ratio indicates the architecture can double FP32 throughput for packed operations. The N1X 48SM's Blackwell 2.0 architecture delivers FP16 at a 1:1 ratio, meaning 28.83 TFLOPS for both FP16 and FP32 with no packed throughput advantage. The N1X 48SM includes 192 tensor cores, a feature absent from the RX 7900 GRE's specification list.

Ray tracing hardware differs in count: 80 RT cores on the RX 7900 GRE versus 48 on the N1X 48SM. The RX 7900 GRE supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the N1X 48SM lists N/A for all three APIs. The RX 7900 GRE's display outputs include HDMI 2.1a, DisplayPort 2.1, and USB Type-C, while the N1X 48SM lists only 1x HDMI. The N1X 48SM uses PCIe 5.0 x16, a newer interface than the RX 7900 GRE's PCIe 4.0 x16, though the RX 7900 GRE has a larger die and higher transistor count.

The N1X 48SM's 382 mm² die is smaller than the RX 7900 GRE's 529 mm² die. The N1X 48SM has a higher texture rate (900.9 GTexel/s) despite lower pixel rate (112.6 GPixel/s), which suggests a different balance of texture units versus ROPs. The RX 7900 GRE has 160 ROPs, more than triple the N1X 48SM's 48. The N1X 48SM compensates with 384 TMUs versus 320 on the RX 7900 GRE.

The Verdict

The data supports a clear split. The AMD Radeon RX 7900 GRE is the only one of the two with measurable performance, and its 32456 average benchmark score places it in the 77th percentile of all GPUs. It leads in FP32 compute (45.98 TFLOPS), FP16 compute (91.96 TFLOPS), pixel rate (359.2 GPixel/s), memory bandwidth (576.0 GB/s), and ROP count (160). It also offers a full API stack with DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, plus multiple modern display outputs. For any workload measured in the database, the RX 7900 GRE is the only option with evidence of capability.

The NVIDIA N1X 48SM has no benchmark scores, but its specifications indicate a different role. Its 128 GB of LPDDR5X memory, 6144 shading units, 384 TMUs, and 192 tensor cores suggest a design aimed at large memory footprints and tensor workloads rather than rasterization throughput. Its 28.83 TFLOPS FP32 is lower than the RX 7900 GRE, and its 112.6 GPixel/s pixel rate is less than one third. The 900.9 GTexel/s texture rate is its only clear specification lead. As an IGP with no power connectors and an unknown TDP, it is not a direct replacement for a dual-slot, 260 W add-in card.

Users who need measured gaming or compute performance should look at the RX 7900 GRE, which has a complete benchmark record and a launch MSRP of 549 USD. Users who require 128 GB of unified memory or tensor core support would evaluate the N1X 48SM, but they cannot rely on any recorded benchmark evidence. The RX 7900 GRE is the superior choice for any workload where the database has data; the N1X 48SM remains unverified in every measured category.