AMD Ryzen Z2 GPU vs NVIDIA GeForce RTX 5080 Comparison

Head-to-Head Benchmarks

The recorded data contains no direct head-to-head benchmark comparisons between the AMD Ryzen Z2 GPU and the NVIDIA GeForce RTX 5080. The head-to-head benchmark field is empty, and the win count for each product is zero. This makes a direct per-test comparison impossible from the database. Instead, the analysis must rely on the absolute benchmark scores for the RTX 5080 and the architectural and specification differences between the two products.

The RTX 5080 has a substantial set of recorded benchmark results. In 3DMark Steel Nomad DX12, it scores 8,637 points. Its Geekbench OpenCL score is 235,901, and its Geekbench Vulkan score is 255,450. Passmark results include a G3D score of 36,565, a GPU Compute score of 21,789, a G2D score of 1,415, and DirectX 9, 10, 11, and 12 scores of 389, 208, 324, and 151, respectively. The average benchmark score for the RTX 5080 is 56,083, placing it in the 87th percentile of all GPUs in the database.

The AMD Ryzen Z2 GPU has no benchmark scores recorded in the database. Its average benchmark score is 0, and its percentile rank is 50. This absence of data means the RTX 5080 leads in every measurable category simply because it has recorded results while the Z2 GPU does not. The Z2 GPU cannot be compared on raw performance metrics such as pixel rate, texture rate, or floating-point operations, as those are theoretical specifications rather than benchmark outcomes.

The RTX 5080's nearest rivals in the database provide context for its performance tier. It sits 0.6% ahead of the AMD Radeon 8060S, which has an average score of 55,757. It is 0.7% ahead of the AMD Radeon RX 6750 GRE 12 GB, which scores 55,698. The RTX 5080 trails the AMD Radeon RX 9070 GRE by 2.2%, as that card scores 57,367. It leads the AMD Radeon Pro W5700X by 2.3%, with that card scoring 54,828. These deltas show the RTX 5080 is competitive within a narrow band of high-end GPUs, none of which are the Z2 GPU.

Where Each One Wins

The RTX 5080 wins in every benchmark category where data exists. Its 56.28 TFLOPS FP32 throughput and 879.3 GTexel/s texture rate indicate it is designed for heavy graphics workloads. The 293.1 GPixel/s pixel rate supports high-resolution rendering. The 960.0 GB/s memory bandwidth, delivered through a 256-bit GDDR7 interface, provides data throughput that suits high-end gaming and rendering tasks.

The AMD Ryzen Z2 GPU wins in efficiency and portability categories. Its 28 W TDP is a fraction of the RTX 5080's 360 W TDP. It requires no power connectors, while the RTX 5080 uses a 16-pin connector and recommends a 750 W power supply. The Z2 GPU uses a single USB Type-C display output, while the RTX 5080 offers one HDMI 2.1b and three DisplayPort 2.1b outputs. The Z2 GPU has a 4 nm process node, while the RTX 5080 uses 5 nm. The Z2 GPU also has a higher transistor density at 142.6M per mm² versus 120.6M per mm² for the RTX 5080.

The use-case split is clear from the data. The RTX 5080 targets desktop systems with substantial power delivery and cooling. Its dual-slot design, 304 mm length, and 750 W suggested PSU indicate it belongs in a full-size tower. The Z2 GPU targets low-power, integrated scenarios. Its 28 W TDP, lack of power connectors, and compact 178 mm² die size suggest it is built for handheld or embedded systems where energy efficiency is paramount.

Architecture Differences

The AMD Ryzen Z2 GPU uses the Hawk Point chip with RDNA 3.0 architecture. It is classified as a Console GPU in AMD's generation. The process node is 4 nm, manufactured by TSMC. The chip contains 25,390 million transistors on a 178 mm² die, giving a transistor density of 142.6M per mm².

The NVIDIA GeForce RTX 5080 uses the GB203 chip with Blackwell 2.0 architecture. It belongs to the GeForce 50-series generation. The process node is 5 nm, also manufactured by TSMC. The chip contains 45,600 million transistors on a 378 mm² die, giving a transistor density of 120.6M per mm².

The Z2 GPU has 768 shading units, 48 texture mapping units, 32 raster operation units, and 12 ray tracing cores. It has no tensor cores listed. The RTX 5080 has 10,752 shading units, 336 texture mapping units, 112 raster operation units, 84 ray tracing cores, and 336 tensor cores. The RTX 5080's tensor core count indicates support for AI-accelerated workloads, a feature the Z2 GPU lacks in the database.

Both products support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Z2 GPU uses LPDDR5X memory, while the RTX 5080 uses GDDR7. The Z2 GPU's memory bus is 128-bit, while the RTX 5080's is 256-bit. Memory bandwidth differs significantly: 119.9 GB/s for the Z2 GPU versus 960.0 GB/s for the RTX 5080.

The Z2 GPU's clock speeds are 800 MHz base and 2,700 MHz boost, with memory at 937 MHz (7.5 Gbps effective). The RTX 5080 has a 2,295 MHz base clock and 2,617 MHz boost, with memory at 1,875 MHz (30 Gbps effective). Despite the Z2 GPU's higher boost clock, its vastly smaller shader count and memory bandwidth limit its throughput.

Specification Differences

The two products differ in nearly every specification category. The Z2 GPU has a 4 nm process node; the RTX 5080 uses 5 nm. Transistor count is 25,390 million for the Z2 GPU versus 45,600 million for the RTX 5080. Die size is 178 mm² versus 378 mm². Transistor density is 142.6M per mm² versus 120.6M per mm².

Memory type differs: LPDDR5X for the Z2 GPU, GDDR7 for the RTX 5080. Both have 16 GB of memory, but the bus width is 128-bit for the Z2 GPU and 256-bit for the RTX 5080. Bandwidth is 119.9 GB/s versus 960.0 GB/s. Base clocks are 800 MHz versus 2,295 MHz. Boost clocks are 2,700 MHz versus 2,617 MHz. Memory clocks are 937 MHz versus 1,875 MHz.

Shader units number 768 versus 10,752. TMUs are 48 versus 336. ROPs are 32 versus 112. RT cores are 12 versus 84. Tensor cores are absent on the Z2 GPU and number 336 on the RTX 5080. Pixel rate is 86.40 GPixel/s versus 293.1 GPixel/s. Texture rate is 129.6 GTexel/s versus 879.3 GTexel/s. FP32 and FP16 throughput are both 8.294 TFLOPS for the Z2 GPU and 56.28 TFLOPS for the RTX 5080.

TDP is 28 W versus 360 W. The Z2 GPU has no power connectors, while the RTX 5080 uses one 16-pin connector. The RTX 5080 lists a suggested PSU of 750 W; the Z2 GPU has none listed. The Z2 GPU has no bus interface listed, while the RTX 5080 uses PCIe 5.0 x16. Display outputs are a single USB Type-C for the Z2 GPU versus one HDMI 2.1b and three DisplayPort 2.1b for the RTX 5080.

Physical dimensions differ as well. The Z2 GPU has no length, height, or width listed. The RTX 5080 measures 304 mm in length, 137 mm in height, and 40 mm in width, with a dual-slot design. Release dates are also distinct: the Z2 GPU released on 2024-12-31, and the RTX 5080 released on 2025-01-29.

FAQ

Q: Which GPU has more shader units?

A: The NVIDIA GeForce RTX 5080 has 10,752 shading units, while the AMD Ryzen Z2 GPU has 768.

Q: What is the memory bandwidth difference?

A: The RTX 5080 has 960.0 GB/s bandwidth with a 256-bit GDDR7 interface. The Z2 GPU has 119.9 GB/s with a 128-bit LPDDR5X interface.

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 TDP of each GPU?

A: The Z2 GPU has a 28 W TDP. The RTX 5080 has a 360 W TDP and lists a 750 W suggested PSU.

Q: Does the RTX 5080 have tensor cores?

A: Yes, the RTX 5080 has 336 tensor cores. The Z2 GPU has no tensor cores listed.

Q: Which GPU was released more recently?

A: The RTX 5080 was released on 2025-01-29. The Z2 GPU was released on 2024-12-31.

The Verdict

The recorded data shows two products at opposite ends of the GPU spectrum. The NVIDIA GeForce RTX 5080 is a high-performance desktop graphics card with a 56.28 TFLOPS FP32 throughput, 960.0 GB/s memory bandwidth, and 10,752 shading units. Its benchmark results place it in the 87th percentile of all GPUs, with an average score of 56,083. It leads its nearest rivals by margins between 0.6% and 2.3%, trailing only the AMD Radeon RX 9070 GRE by 2.2%.

The AMD Ryzen Z2 GPU is a low-power console-class part with 8.294 TFLOPS FP32 throughput, 119.9 GB/s memory bandwidth, and 768 shading units. Its 28 W TDP and lack of power connectors indicate a design focused on efficiency rather than raw performance. The database records no benchmark scores for it, placing its average at 0 and its percentile at 50.

The choice between these two products depends entirely on the target system. For a desktop build with a 750 W power supply, dual-slot cooling, and a PCIe 5.0 x16 slot, the RTX 5080 delivers the highest recorded performance in the database. Its 16-pin power connector and 304 mm length require a full-size chassis. Its 360 W TDP demands substantial cooling.

For a compact, low-power system with no discrete power connectors, the Z2 GPU fits a different niche. Its 4 nm process node and higher transistor density than the RTX 5080 show an efficiency-first approach. The single USB Type-C output and lack of a bus interface suggest an integrated or embedded design.

The RTX 5080's launch MSRP is 999 USD. The Z2 GPU has no launch MSRP listed. The RTX 5080 is the only one of the two with benchmark data, making it the only choice for users who need verified performance numbers. The Z2 GPU's role is in systems where the 28 W TDP and lack of power connectors are the determining factors, not benchmark scores.