NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce RTX 5080 SUPER Comparison

The Verdict

The recorded data reveals two NVIDIA mobile GPUs separated by architecture, memory class, and intended use case. The GeForce RTX 4080 Max-Q sits as a 2023 Ada Lovelace part, while the GeForce RTX 5080 SUPER is a 2025 Blackwell 2.0 flagship. The RTX 4080 Max-Q holds a 50th percentile rank among all GPUs in the database, whereas the RTX 5080 SUPER ranks in the 19th percentile, a lower standing despite far higher raw specifications. This discrepancy suggests the 5080 SUPER’s benchmark profile, represented by a single 3DMark Steel Nomad DX12 score of 3075, places it in a different performance class than its percentile implies. The data indicates the 5080 SUPER is the clear choice for users seeking maximum compute throughput, while the 4080 Max-Q, with its 60 W power envelope and IGP form factor, suits constrained mobile systems where thermal and power limits dominate.

The 5080 SUPER’s nearest rivals in the database include the Quadro P1000 (average score 3163, 2.8% higher), the Intel Arc Pro B60 (3182, 3.4% higher), and the GeForce 820A (2983, 3.1% lower) and GTX 860M (2967, 3.6% lower). These deltas are surprisingly small for a card with 56.28 TFLOPS FP32 throughput, suggesting the benchmark sample or driver state may not reflect the full capability. The 4080 Max-Q has no nearest rivals listed and no benchmark scores, so its percentile of 50 stands alone, indicating a mid-tier standing relative to the full database. For a system builder, the 5080 SUPER delivers 2.8x the FP32 throughput, 2.4x the memory capacity, and 2.36x the memory bandwidth of the 4080 Max-Q, but it demands a 415 W TDP and dual-slot cooling, whereas the Max-Q draws only 60 W and requires no power connectors. The verdict: choose the 5080 SUPER for desktop-replacement laptops or external enclosures with ample cooling and power; choose the 4080 Max-Q for thin, lightweight notebooks where efficiency and thermal headroom are non-negotiable.

Architecture Differences

The two GPUs stem from different silicon generations. The RTX 4080 Max-Q uses the AD104 chip on the Ada Lovelace architecture, fabricated by TSMC on a 5 nm process with 35,800 million transistors on a 294 mm² die. Its transistor density is 121.8 million per square millimeter. The RTX 5080 SUPER employs the GB203 chip on the Blackwell 2.0 architecture, also from TSMC and also on a 5 nm node, but packs 45,600 million transistors onto a 378 mm² die, yielding a slightly lower density of 120.6 million per square millimeter. The larger die and higher transistor count give the 5080 SUPER more physical resources: 10,752 shading units versus 7,424, 336 texture mapping units versus 232, and 112 ROPs versus 80. Ray tracing cores scale from 58 on the Max-Q to 84 on the 5080 SUPER, while tensor cores jump from 232 to 336.

Clock behavior differs markedly. The 4080 Max-Q runs a low base clock of 795 MHz and a boost of 1350 MHz, reflecting its power-optimized Max-Q design. The 5080 SUPER starts at 2295 MHz and boosts to 2617 MHz, a 1.94x higher boost clock. Memory architecture changes entirely: the Max-Q uses 12 GB of GDDR6 on a 192-bit bus with 2250 MHz memory clock (18 Gbps effective), yielding 432.0 GB/s bandwidth. The 5080 SUPER uses 24 GB of GDDR7 on a 256-bit bus with 2000 MHz memory clock (32 Gbps effective), more than doubling bandwidth to 1.02 TB/s. The interface advances from PCIe 4.0 x16 to PCIe 5.0 x16. Display outputs also differ: the Max-Q is portable-device dependent with no fixed ports, while the 5080 SUPER provides 1x HDMI 2.1b and 3x DisplayPort 2.1b. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API coverage matches.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between these two GPUs, and the 4080 Max-Q has zero benchmark scores recorded. The 5080 SUPER, however, has a single 3DMark Steel Nomad DX12 result of 3075. Its nearest rivals provide context: the Quadro P1000 scores 3163, which is 2.8% higher; the Intel Arc Pro B60 scores 3182, 3.4% higher; the GeForce 820A scores 2983, 3.1% lower; and the GeForce GTX 860M scores 2967, 3.6% lower. These deltas are tight, with the 5080 SUPER trailing two workstation-class GPUs by small margins and leading two older mobile parts by similar amounts. Without a recorded score for the 4080 Max-Q, a direct numerical comparison is impossible, but the specification gap suggests the 5080 SUPER would dominate in raw throughput. The 5080 SUPER’s FP32 rate of 56.28 TFLOPS is 2.81x the Max-Q’s 20.04 TFLOPS. Its pixel rate of 293.1 GPixel/s is 2.71x higher, and its texture rate of 879.3 GTexel/s is 2.81x higher. These figures indicate that in any compute-bound or fill-rate-limited workload, the 5080 SUPER should outperform the 4080 Max-Q by a wide margin, likely in the 2.7x to 2.8x range based on the recorded rates.

Specification Differences

The two parts differ across nearly every measurable field. Process node and foundry are identical (5 nm TSMC), but transistor count rises from 35,800 million to 45,600 million, and die size grows from 294 mm² to 378 mm². Transistor density is nearly equal, 121.8M/mm² versus 120.6M/mm². Clock speeds: base clock jumps from 795 MHz to 2295 MHz, boost from 1350 MHz to 2617 MHz. Memory clock changes from 2250 MHz (18 Gbps effective) to 2000 MHz (32 Gbps effective). Memory capacity doubles from 12 GB to 24 GB, type changes from GDDR6 to GDDR7, bus width widens from 192-bit to 256-bit, and bandwidth rises from 432.0 GB/s to 1.02 TB/s. Shading units increase from 7,424 to 10,752; TMUs from 232 to 336; ROPs from 80 to 112; RT cores from 58 to 84; tensor cores from 232 to 336. Pixel rate jumps from 108.0 GPixel/s to 293.1 GPixel/s; texture rate from 313.2 GTexel/s to 879.3 GTexel/s; FP32 and FP16 both scale from 20.04 TFLOPS to 56.28 TFLOPS, maintaining a 1:1 ratio.

Power and physical design diverge sharply. The 4080 Max-Q has a 60 W TDP, an IGP slot width, and no power connectors. The 5080 SUPER has a 415 W TDP, a dual-slot width, and a single 16-pin power connector. The 5080 SUPER measures 304 mm long, 137 mm tall, and 40 mm wide, while the Max-Q has no listed dimensions. Bus interface changes from PCIe 4.0 x16 to PCIe 5.0 x16. Display outputs go from portable-device dependent to a fixed set of 1x HDMI 2.1b and 3x DisplayPort 2.1b. Release dates differ: the Max-Q launched on January 2, 2023, and the 5080 SUPER on December 31, 2025. Production status is active for both, but the Max-Q has a predecessor (GeForce 30 Mobile) and successor (GeForce 50 Mobile), while the 5080 SUPER has neither listed. The 5080 SUPER carries a launch MSRP of 999 USD, a figure not available for the Max-Q.

FAQ

Q: Which GPU has higher memory bandwidth, and by how much?

A: The RTX 5080 SUPER provides 1.02 TB/s of bandwidth from 24 GB of GDDR7 on a 256-bit bus, while the RTX 4080 Max-Q provides 432.0 GB/s from 12 GB of GDDR6 on a 192-bit bus. The 5080 SUPER’s bandwidth is 2.36x higher.

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

A: The RTX 4080 Max-Q has a 60 W TDP and requires no power connectors, while the RTX 5080 SUPER has a 415 W TDP and uses a single 16-pin connector. The 5080 SUPER draws 6.92x more power.

Q: How do their FP32 compute performances compare?

A: The RTX 4080 Max-Q delivers 20.04 TFLOPS, while the RTX 5080 SUPER delivers 56.28 TFLOPS. The 5080 SUPER offers 2.81x the FP32 throughput.

Q: Which architecture does each GPU use, and what are the chip names?

A: The RTX 4080 Max-Q uses the AD104 chip on the Ada Lovelace architecture. The RTX 5080 SUPER uses the GB203 chip on the Blackwell 2.0 architecture.

Q: Do both GPUs support the same APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the benchmark score for the RTX 5080 SUPER, and how does it compare to its nearest rivals?

A: The RTX 5080 SUPER scores 3075 in 3DMark Steel Nomad DX12. The Quadro P1000 scores 3163 (2.8% higher), the Intel Arc Pro B60 scores 3182 (3.4% higher), the GeForce 820A scores 2983 (3.1% lower), and the GeForce GTX 860M scores 2967 (3.6% lower).

Where Each One Wins

The RTX 4080 Max-Q wins in efficiency-centric scenarios. Its 60 W TDP and IGP slot width make it suitable for ultra-thin laptops with no discrete power connectors, where the 5080 SUPER’s 415 W demand and dual-slot width would be physically impossible to accommodate. The Max-Q’s portable-device-dependent display outputs also indicate integration into systems with custom display routing, not fixed ports. Its lower transistor count (35,800 million versus 45,600 million) and smaller die (294 mm² versus 378 mm²) suggest less thermal load, and the absence of a 16-pin connector means simpler power delivery. For sustained workloads in thermally constrained chassis, the Max-Q’s lower clocks (795 MHz base, 1350 MHz boost) are designed to maintain stable operation without aggressive cooling.

The RTX 5080 SUPER wins in every raw performance category. Its 56.28 TFLOPS FP32, 293.1 GPixel/s pixel rate, and 879.3 GTexel/s texture rate are all roughly 2.8x the Max-Q’s figures. Its 24 GB of GDDR7 memory with 1.02 TB/s bandwidth provides 2x capacity and 2.36x bandwidth, critical for large datasets, high-resolution textures, and AI workloads. The 5080 SUPER’s PCIe 5.0 x16 interface doubles the bus bandwidth of the Max-Q’s PCIe 4.0 x16, which matters for data transfer from system memory. Its fixed display outputs (1x HDMI 2.1b, 3x DisplayPort 2.1b) support multi-monitor setups directly, while the Max-Q depends on the host device. The 5080 SUPER’s higher base and boost clocks (2295 MHz and 2617 MHz) indicate a design optimized for peak burst performance, and its larger shading, TMU, ROP, RT core, and tensor core counts all point to dominance in compute-heavy tasks like rendering, simulation, and inference. The benchmark gap, though not directly measured against the Max-Q, is implied by the 2.7x to 2.8x scaling in fill rates and shader throughput, which should translate into proportionally higher frame rates in GPU-bound games and faster completion times in professional workloads. For users with the power budget and physical space, the 5080 SUPER is the unambiguous performance leader; for users prioritizing portability and low power draw, the 4080 Max-Q remains the sensible option.