AMD Radeon RX 7900 GRE vs NVIDIA N1 20SM Comparison

Head-to-Head Benchmarks

The recorded data shows no direct head-to-head benchmark comparisons between the AMD Radeon RX 7900 GRE and the NVIDIA N1 20SM. The headToHeadBenchmarks array is empty, and neither winsA nor winsB registers a single victory. This means any conclusion about relative performance must be drawn from the individual benchmark scores of the AMD part and the architectural characteristics of the NVIDIA part, since the N1 20SM has no recorded benchmark scores of its own.

The AMD Radeon RX 7900 GRE delivers a robust set of measured results. In 3DMark Steel Nomad DX12, it scores 4814 points. Geekbench OpenCL shows 175758, while Geekbench Vulkan reaches 99850. PassMark DirectX 11 returns 300, DirectX 12 returns 107, DirectX 10 returns 139, and DirectX 9 returns 310. PassMark G2D hits 1180, G3D hits 27089, and GPU Compute reaches 15016. The average benchmark score across all recorded tests is 32456, placing the card in the 77th percentile among all GPUs in the database.

The NVIDIA N1 20SM, by contrast, has an empty benchmark array and an average score of 0. Its percentile ranking sits at 50, which is the median value, but this percentile is not derived from any actual measurements. The data cannot confirm any performance level for the N1 20SM, so any direct numerical comparison between the two products is impossible from the available facts. The AMD card's 45.98 TFLOPS FP32 throughput and 91.96 TFLOPS FP16 (2:1) throughput stand as measured compute figures, while the NVIDIA part's 12.01 TFLOPS FP32 and 12.01 TFLOPS FP16 (1:1) are listed as specifications but lack benchmark validation.

The Verdict

Based strictly on the data, the AMD Radeon RX 7900 GRE is the only product in this comparison with verifiable performance results. Its average benchmark score of 32456 and 77th percentile placement indicate a functional, measurable graphics card. The NVIDIA N1 20SM has no benchmark scores, no average score, and no rival comparisons, which means the database contains no evidence of its real-world performance.

For users seeking a discrete graphics card with confirmed compute and rendering capabilities, the RX 7900 GRE is the clear choice from the recorded data. Its 16 GB GDDR6 memory, 576.0 GB/s bandwidth, and 5120 shading units provide concrete specifications that align with its benchmark results. The N1 20SM offers 128 GB LPDDR5X memory and a 256-bit bus, but its 273.2 GB/s bandwidth is substantially lower, and its 2560 shading units are half the count. The absence of any benchmark scores for the N1 20SM means the database cannot support a performance verdict in its favor.

The RX 7900 GRE also holds a launch MSRP of 549 USD, a fact that can be stated but not analyzed further. The N1 20SM has no launch MSRP on record. The production status for both is Active, but the RX 7900 GRE has a release date of 2023-07-26, while the N1 20SM is dated 2026-05-31, indicating a later arrival for the NVIDIA part.

Architecture Differences

The AMD Radeon RX 7900 GRE uses the Navi 31 chip with RDNA 3.0 architecture, codenamed Plum Bonito, belonging to the Navi III (RX 7000) generation. It is built on a 5 nm process at TSMC with 57,700 million transistors on a 529 mm² die, yielding a transistor density of 109.1M per mm². The NVIDIA N1 20SM uses the GB20B chip with Blackwell 2.0 architecture, part of the Blackwell IGP (N1x) generation. It also uses a 5 nm process at TSMC, but its transistor count is listed as unknown, and its die size is 382 mm² with no transistor density figure.

The RX 7900 GRE includes 80 RT cores and no tensor cores, reflecting a pure rasterization and ray tracing design without dedicated AI acceleration hardware. The N1 20SM includes 20 RT cores and 80 tensor cores, indicating a design that integrates AI processing capabilities, likely due to its IGP (integrated graphics processor) positioning. The RX 7900 GRE uses 5120 shading units, 320 TMUs, and 160 ROPs. The N1 20SM uses 2560 shading units, 160 TMUs, and only 24 ROPs, a significantly lower raster output stage that limits pixel throughput.

The AMD part supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA part lists DirectX as N/A, OpenGL as N/A, and Vulkan as N/A, which means the database records no API support for the N1 20SM. This is a fundamental architectural difference: the RX 7900 GRE is a full-featured discrete GPU with modern graphics APIs, while the N1 20SM appears to lack traditional graphics API support altogether, aligning with its IGP classification.

Specification Differences

The two products differ across nearly every specification field. Memory size: the RX 7900 GRE has 16 GB GDDR6, while the N1 20SM has 128 GB LPDDR5X. Memory bandwidth: the AMD card delivers 576.0 GB/s, the NVIDIA part 273.2 GB/s. Bus width is identical at 256 bit, but the memory type and effective speed differ, with the AMD using 2250 MHz (18 Gbps effective) and the NVIDIA using 1067 MHz (8.5 Gbps effective).

Clock speeds diverge sharply. The RX 7900 GRE has a base clock of 1287 MHz, a boost clock of 2245 MHz, and a game clock of 1880 MHz. The N1 20SM has a base clock of 741 MHz and a boost clock of 2346 MHz, with no game clock listed. The NVIDIA boost clock is higher, but the base clock is much lower, and the AMD part's game clock provides a stable operating point for sustained workloads.

Compute throughput: the RX 7900 GRE achieves 45.98 TFLOPS FP32 and 91.96 TFLOPS FP16 (2:1). The N1 20SM achieves 12.01 TFLOPS FP32 and 12.01 TFLOPS FP16 (1:1), meaning the NVIDIA part has no FP16 acceleration ratio, while the AMD part doubles its FP16 rate. Pixel rate: the AMD card reaches 359.2 GPixel/s, the NVIDIA part 56.30 GPixel/s. Texture rate: the AMD card reaches 718.4 GTexel/s, the NVIDIA part 375.4 GTexel/s.

Power and physical specifications also differ. The RX 7900 GRE has a TDP of 260 W, uses dual-slot cooling, requires 2x 8-pin power connectors, and suggests a 600 W PSU. The N1 20SM has an unknown TDP, uses an IGP slot width, has no power connectors, and lists no suggested PSU. The AMD card uses PCIe 4.0 x16, while the NVIDIA part uses PCIe 5.0 x16. Display outputs: the RX 7900 GRE provides 1x HDMI 2.1a, 2x DisplayPort 2.1, and 1x USB Type-C. The N1 20SM provides only 1x HDMI. Dimensions are recorded for the AMD card at 276 mm length, 110 mm height, and 51 mm width, while the NVIDIA part has no dimensions listed.

FAQ

Q: Which GPU has a higher FP32 compute throughput?

A: The AMD Radeon RX 7900 GRE records 45.98 TFLOPS FP32, while the NVIDIA N1 20SM lists 12.01 TFLOPS FP32.

Q: What is the memory bandwidth difference between the two?

A: The RX 7900 GRE has 576.0 GB/s bandwidth with 16 GB GDDR6, while the N1 20SM has 273.2 GB/s bandwidth with 128 GB LPDDR5X.

Q: Does the NVIDIA N1 20SM support DirectX?

A: The database lists DirectX as N/A for the N1 20SM, while the RX 7900 GRE supports DirectX 12 Ultimate (12_2).

Q: How many RT cores does each GPU have?

A: The RX 7900 GRE contains 80 RT cores, and the N1 20SM contains 20 RT cores.

Q: What is the average benchmark score for each product?

A: The RX 7900 GRE has an average benchmark score of 32456, while the N1 20SM has an average score of 0 with no recorded benchmarks.

Q: Which GPU has a higher boost clock?

A: The N1 20SM has a boost clock of 2346 MHz, which is higher than the RX 7900 GRE's boost clock of 2245 MHz.

Where Each One Wins

The AMD Radeon RX 7900 GRE wins in every category where the database has measurable performance data. Its 45.98 TFLOPS FP32 more than triples the N1 20SM's 12.01 TFLOPS. Its pixel rate of 359.2 GPixel/s is over six times the N1 20SM's 56.30 GPixel/s. Its texture rate of 718.4 GTexel/s nearly doubles the N1 20SM's 375.4 GTexel/s. Memory bandwidth favors the AMD card at 576.0 GB/s versus 273.2 GB/s, despite the NVIDIA part having eight times the memory capacity. The RX 7900 GRE's 5120 shading units and 160 ROPs provide a clear advantage in rasterization workloads, while its 80 RT cores offer four times the ray tracing hardware of the N1 20SM's 20 RT cores.

The NVIDIA N1 20SM wins in specific specification areas that favor its IGP design. It has 128 GB of memory, which is eight times the RX 7900 GRE's 16 GB, a meaningful advantage for memory-intensive workloads that fit within the slower bandwidth envelope. Its 80 tensor cores, while absent on the AMD part, indicate an AI-focused capability that the RX 7900 GRE does not offer. Its PCIe 5.0 x16 interface is newer than the AMD card's PCIe 4.0 x16. Its boost clock of 2346 MHz is 101 MHz higher than the RX 7900 GRE's boost clock, and its 1:1 FP16 ratio suggests consistent throughput across precision formats, though at a much lower absolute level. The N1 20SM's IGP form factor with no power connectors and no dimensions makes it suitable for integrated deployments where discrete card size and power draw are not applicable.

The RX 7900 GRE's 77th percentile ranking versus the N1 20SM's 50th percentile further supports the AMD card's position, though the N1 20SM's percentile is not backed by any measured scores. The AMD part's nearest rivals include the AMD FirePro S10000 with an average score of 32388 and a delta of 0.2%, the AMD FirePro S9300 X2 at 32540 with a delta of -0.3%, and the AMD Radeon RX 590 GME at 32601 with a delta of -0.4%, showing the RX 7900 GRE sits in a tight cluster of similar-performing GPUs. The N1 20SM has no nearest rivals on record. For any use case requiring verified graphics performance, the RX 7900 GRE is the only option with evidence in the database. For use cases relying on large memory capacity or tensor core acceleration, the N1 20SM presents those specifications, but without benchmark confirmation of their effectiveness.