AMD Ryzen Z2 GPU vs NVIDIA GeForce RTX 4080 Max-Q Comparison

FAQ

Q: What are the core specifications of the AMD Ryzen Z2 GPU?

A: The AMD Ryzen Z2 GPU is built on the Hawk Point chip with RDNA 3.0 architecture, using a 4 nm process at TSMC. It contains 25,390 million transistors on a 178 mm² die, with 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores. It has 16 GB of LPDDR5X memory on a 128-bit bus, delivering 119.9 GB/s bandwidth. Its boost clock is 2700 MHz, and it has a TDP of 28 W.

Q: What are the core specifications of the NVIDIA GeForce RTX 4080 Max-Q?

A: The NVIDIA GeForce RTX 4080 Max-Q is based on the AD104 chip with Ada Lovelace architecture, using a 5 nm process at TSMC. It contains 35,800 million transistors on a 294 mm² die, with 7,424 shading units, 232 TMUs, 80 ROPs, 58 RT cores, and 232 tensor cores. It has 12 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s bandwidth. Its boost clock is 1350 MHz, and it has a TDP of 60 W.

Q: Which GPU has the higher FP32 performance?

A: The NVIDIA GeForce RTX 4080 Max-Q has significantly higher FP32 performance at 20.04 TFLOPS, compared to the AMD Ryzen Z2 GPU's 8.294 TFLOPS. This gives the RTX 4080 Max-Q roughly a 2.4x advantage in raw compute throughput.

Q: How do the memory configurations compare?

A: The AMD Ryzen Z2 GPU has a larger capacity at 16 GB, but the NVIDIA GeForce RTX 4080 Max-Q has much higher bandwidth. The RTX 4080 Max-Q delivers 432.0 GB/s via its 192-bit GDDR6 interface, while the Ryzen Z2 GPU offers 119.9 GB/s through its 128-bit LPDDR5X bus. The RTX 4080 Max-Q has 3.6x the memory bandwidth.

Q: What is the difference in power consumption?

A: The AMD Ryzen Z2 GPU has a TDP of 28 W, while the NVIDIA GeForce RTX 4080 Max-Q has a TDP of 60 W. The Ryzen Z2 GPU consumes less than half the power of the RTX 4080 Max-Q.

Q: What are the pixel and texture rates for each GPU?

A: The NVIDIA GeForce RTX 4080 Max-Q achieves a pixel rate of 108.0 GPixel/s and a texture rate of 313.2 GTexel/s. The AMD Ryzen Z2 GPU delivers 86.40 GPixel/s and 129.6 GTexel/s. The RTX 4080 Max-Q leads by 25% in pixel rate and 142% in texture rate.

The Verdict

The data presents two very different products. The AMD Ryzen Z2 GPU is a low-power integrated solution with a 28 W TDP, designed for portable devices with a single USB Type-C display output. Its 16 GB LPDDR5X memory capacity is substantial, but its compute resources are limited: 768 shading units, 12 RT cores, and 8.294 TFLOPS FP32.

The NVIDIA GeForce RTX 4080 Max-Q is a higher-end mobile part with a 60 W TDP. It carries 7,424 shading units, 58 RT cores, and 232 tensor cores, producing 20.04 TFLOPS FP32. Its 12 GB GDDR6 memory on a 192-bit bus yields 432.0 GB/s bandwidth, a decisive advantage for texture-heavy and high-resolution workloads.

Benchmark data shows no direct head-to-head scores in the database, but the recorded specifications allow clear inference. Users needing maximum frame rates, ray tracing throughput, or memory bandwidth should select the RTX 4080 Max-Q. Users prioritizing low power draw, smaller package integration, or larger memory capacity for certain workloads may find the Ryzen Z2 GPU adequate. The RTX 4080 Max-Q is the performance pick; the Ryzen Z2 GPU is the efficiency pick.

Head-to-Head Benchmarks

The database contains no direct benchmark scores for either GPU, so comparisons rely on the recorded specification data. The largest numerical differences favor the NVIDIA GeForce RTX 4080 Max-Q in nearly every compute metric.

FP32 performance shows the widest gap. The RTX 4080 Max-Q delivers 20.04 TFLOPS versus 8.294 TFLOPS for the Ryzen Z2 GPU. This represents a 142% advantage. Texture rate follows a similar pattern: 313.2 GTexel/s versus 129.6 GTexel/s, a 142% lead. The RTX 4080 Max-Q also has a substantial edge in shading units, with 7,424 versus 768, a 9.7x difference.

Memory bandwidth is another major differentiator. The RTX 4080 Max-Q achieves 432.0 GB/s, while the Ryzen Z2 GPU manages 119.9 GB/s. This 3.6x gap directly impacts performance in high-resolution textures and memory-intensive scenes.

Pixel rate favors the RTX 4080 Max-Q by a smaller margin: 108.0 GPixel/s versus 86.40 GPixel/s, a 25% advantage. The Ryzen Z2 GPU holds one notable specification advantage: memory capacity. It offers 16 GB versus 12 GB, a 33% larger pool.

The RT core counts differ dramatically. The RTX 4080 Max-Q has 58 RT cores, while the Ryzen Z2 GPU has only 12. Similarly, the RTX 4080 Max-Q includes 232 tensor cores, which the Ryzen Z2 GPU lacks entirely. These features directly impact ray-traced workloads and AI-accelerated tasks, giving the RTX 4080 Max-Q a decisive functional lead.

Specification Differences

The two GPUs differ across nearly every recorded specification field.

Process and die: The Ryzen Z2 GPU uses a 4 nm process, while the RTX 4080 Max-Q uses 5 nm. Both use TSMC as the foundry. The Ryzen Z2 GPU has a die size of 178 mm² and 25,390 million transistors, with a density of 142.6M / mm². The RTX 4080 Max-Q has a larger die at 294 mm² and 35,800 million transistors, but a lower density at 121.8M / mm².

Clocks: The Ryzen Z2 GPU has a base clock of 800 MHz and a boost clock of 2700 MHz. The RTX 4080 Max-Q has a lower base of 795 MHz and a boost of only 1350 MHz. Memory clocks differ substantially: the Ryzen Z2 GPU runs at 937 MHz (7.5 Gbps effective), while the RTX 4080 Max-Q runs at 2250 MHz (18 Gbps effective).

Memory: The Ryzen Z2 GPU has 16 GB of LPDDR5X on a 128-bit bus with 119.9 GB/s bandwidth. The RTX 4080 Max-Q has 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth.

Compute units: The Ryzen Z2 GPU has 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores. The RTX 4080 Max-Q has 7,424 shading units, 232 TMUs, 80 ROPs, 58 RT cores, and 232 tensor cores.

Output rates: The Ryzen Z2 GPU produces 86.40 GPixel/s and 129.6 GTexel/s. The RTX 4080 Max-Q produces 108.0 GPixel/s and 313.2 GTexel/s.

Power: The Ryzen Z2 GPU has a TDP of 28 W. The RTX 4080 Max-Q has a TDP of 60 W.

Interface and outputs: The Ryzen Z2 GPU has no bus interface listed and one USB Type-C display output. The RTX 4080 Max-Q uses PCIe 4.0 x16 and has display outputs listed as portable device dependent.

Release timing: The Ryzen Z2 GPU was released on 2024-12-31. The RTX 4080 Max-Q was released on 2023-01-02, making it nearly two years older.

Series context: The RTX 4080 Max-Q belongs to the GeForce 40-series, specifically the GeForce 40 Mobile generation. Its predecessor is listed as GeForce 30 Mobile and its successor as GeForce 50 Mobile. The Ryzen Z2 GPU is classified under Console GPU (AMD) with no listed predecessor or successor.

Architecture Differences

The architectural divide is fundamental. The AMD Ryzen Z2 GPU uses RDNA 3.0 architecture on the Hawk Point chip. The NVIDIA GeForce RTX 4080 Max-Q uses Ada Lovelace on the AD104 chip. These are entirely different design philosophies.

RDNA 3.0 focuses on efficiency per watt. The Ryzen Z2 GPU achieves its 8.294 TFLOPS FP32 within a 28 W TDP. The process node advantage is slight: 4 nm versus 5 nm, both TSMC. The transistor density reflects this: 142.6M / mm² versus 121.8M / mm², meaning the Ryzen Z2 GPU packs transistors more tightly despite having fewer overall.

Ada Lovelace emphasizes raw throughput and specialized hardware. The RTX 4080 Max-Q carries 7,424 shading units, which is 9.7x the Ryzen Z2 GPU count. It also includes 232 tensor cores for AI acceleration, a feature entirely absent from the Ryzen Z2 GPU. The RT core count is 58 versus 12, a 4.8x difference.

The memory architecture reflects the different priorities. The Ryzen Z2 GPU uses LPDDR5X, a low-power memory type suited to integrated designs. Its 128-bit bus and 119.9 GB/s bandwidth align with its 28 W power envelope. The RTX 4080 Max-Q uses GDDR6 with a 192-bit bus and 432.0 GB/s bandwidth, prioritizing throughput over power efficiency.

The FP16 performance mirrors FP32 exactly on both GPUs: 8.294 TFLOPS for the Ryzen Z2 GPU and 20.04 TFLOPS for the RTX 4080 Max-Q, both at a 1:1 ratio. This indicates neither GPU uses dedicated FP16 acceleration paths.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The API compatibility is identical, meaning software support is not a differentiator.

The slot width and power connector fields show the Ryzen Z2 GPU has no listed slot width and no power connectors. The RTX 4080 Max-Q has a slot width of IGP and no power connectors, indicating it is also an integrated or embedded solution. Neither requires external power.

Where Each One Wins

NVIDIA GeForce RTX 4080 Max-Q wins in raw compute. The 20.04 TFLOPS FP32 is 142% higher than the Ryzen Z2 GPU's 8.294 TFLOPS. This translates directly to higher frame rates in shader-bound scenarios.

NVIDIA GeForce RTX 4080 Max-Q wins in texture-heavy workloads. The 313.2 GTexel/s texture rate is 142% higher than the Ryzen Z2 GPU's 129.6 GTexel/s. Games with detailed surfaces and complex materials will benefit significantly.

NVIDIA GeForce RTX 4080 Max-Q wins in memory bandwidth. The 432.0 GB/s bandwidth is 3.6x the Ryzen Z2 GPU's 119.9 GB/s. High-resolution textures, large scene geometry, and 4K rendering will hit bandwidth limits much later on the RTX 4080 Max-Q.

NVIDIA GeForce RTX 4080 Max-Q wins in ray tracing. With 58 RT cores versus 12, the RTX 4080 Max-Q has 4.8x the ray tracing hardware. The 232 tensor cores further accelerate denoising and AI-enhanced rendering.

NVIDIA GeForce RTX 4080 Max-Q wins in pixel fill. The 108.0 GPixel/s pixel rate is 25% higher than the Ryzen Z2 GPU's 86.40 GPixel/s, benefiting rasterization at high resolutions.

AMD Ryzen Z2 GPU wins in memory capacity. The 16 GB LPDDR5X pool is 33% larger than the RTX 4080 Max-Q's 12 GB. Workloads that require large working sets, such as certain content creation tasks or heavily modded games, may prefer the extra capacity despite the lower bandwidth.

AMD Ryzen Z2 GPU wins in power efficiency. The 28 W TDP is less than half the RTX 4080 Max-Q's 60 W. Systems with strict thermal or battery constraints can sustain the Ryzen Z2 GPU more easily.

AMD Ryzen Z2 GPU wins in clock speed. The 2700 MHz boost clock is double the RTX 4080 Max-Q's 1350 MHz. While the architectural differences make direct clock comparisons less meaningful, the higher clock indicates the Ryzen Z2 GPU is designed for a different operating point.

AMD Ryzen Z2 GPU wins in release recency. Released on 2024-12-31 versus 2023-01-02, the Ryzen Z2 GPU is nearly two years newer. It also uses a smaller process node at 4 nm versus 5 nm.

The use-case split is clear. The RTX 4080 Max-Q is the choice for gaming performance, ray tracing, and memory-intensive applications. The Ryzen Z2 GPU suits low-power portable devices where capacity and efficiency matter more than throughput.