AMD Radeon RX 9070 vs AMD Ryzen Z2 Go GPU Comparison

FAQ

Q: What is the fundamental difference between the AMD Radeon RX 9070 and the AMD Ryzen Z2 Go GPU?

A: The RX 9070 is a discrete desktop graphics card built on the RDNA 4.0 architecture with the Navi 48 chip, designed for high-performance PC gaming. The Z2 Go GPU is a console-oriented processor using the RDNA 2.0 architecture with the Rembrandt+ chip, optimized for low-power integrated graphics in handheld or embedded systems.

Q: How do their manufacturing processes compare?

A: The RX 9070 uses a 4 nm process at TSMC with 53,900 million transistors on a 357 mm² die, resulting in a transistor density of 151.0 million per mm². The Z2 Go GPU uses a 6 nm process at TSMC with 13,100 million transistors on a 208 mm² die, giving a density of 63.0 million per mm².

Q: Which GPU has higher memory bandwidth?

A: The RX 9070 delivers 644.6 GB/s of memory bandwidth through a 256-bit bus using 16 GB of GDDR6 memory. The Z2 Go GPU provides 102.4 GB/s over a 128-bit bus with 16 GB of LPDDR5 memory. This represents a substantial bandwidth advantage for the RX 9070.

Q: What is the power consumption difference?

A: The RX 9070 has a TDP of 220 W and requires dual 8-pin power connectors with a suggested 550 W power supply. The Z2 Go GPU operates at only 28 W TDP and requires no power connectors, reflecting its low-power integrated design.

Q: How do their compute capabilities compare in raw FP32 performance?

A: The RX 9070 delivers 36.13 TFLOPS of FP32 performance, while the Z2 Go GPU provides 4.147 TFLOPS. The RX 9070 also has 3,584 shading units, 224 texture mapping units, and 128 ROPs, compared to 768 shading units, 48 TMUs, and 32 ROPs on the Z2 Go GPU.

Q: Which GPU has higher ray tracing capability?

A: The RX 9070 includes 56 ray tracing cores, while the Z2 Go GPU has 12. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, but the RX 9070's significantly higher RT core count indicates substantially stronger ray tracing throughput.

Architecture Differences

The RX 9070 and the Z2 Go GPU represent two distinct architectural generations from AMD. The RX 9070 uses the RDNA 4.0 architecture on the Navi 48 chip, part of the Navi IV (RX 9000) generation. The Z2 Go GPU relies on the older RDNA 2.0 architecture with the Rembrandt+ chip, categorized as a Console GPU generation. This architectural gap explains many of the performance and feature differences observed in the database.

Manufacturing technology differs substantially. The RX 9070 is fabricated on TSMC's 4 nm process, enabling 53,900 million transistors within a 357 mm² die. The Z2 Go GPU uses a 6 nm process with 13,100 million transistors on a 208 mm² die. The transistor density numbers confirm this: 151.0 million transistors per mm² for the RX 9070 versus 63.0 million per mm² for the Z2 Go GPU. The newer process node allows the RX 9070 to pack more than four times the transistors into a larger die while maintaining active production status for both chips.

The shader and memory architectures differ fundamentally. The RX 9070 features 3,584 shading units, 224 TMUs, and 128 ROPs, paired with a 256-bit GDDR6 memory interface. The Z2 Go GPU has 768 shading units, 48 TMUs, and 32 ROPs, using a 128-bit LPDDR5 interface. Both support 16 GB of memory, but the memory types and bus widths create a massive bandwidth differential: 644.6 GB/s versus 102.4 GB/s. The FP16 execution also differs, with the RX 9070 operating at 1:1 ratio (36.13 TFLOPS) while the Z2 Go GPU runs at 2:1 ratio (8.294 TFLOPS versus 4.147 FP32).

Ray tracing hardware shows a similar scaling gap. The RX 9070 integrates 56 ray tracing cores; the Z2 Go GPU has 12. Despite both supporting DirectX 12 Ultimate (12_2), the RT core count difference suggests the RX 9070 can handle significantly more complex ray tracing workloads. The pixel and texture rates confirm this pattern: 322.6 GPixel/s and 564.5 GTexel/s for the RX 9070 versus 86.40 GPixel/s and 129.6 GTexel/s for the Z2 Go GPU.

Clock behavior also differs. The RX 9070 has a base clock of 1330 MHz, a boost of 2520 MHz, and a game clock of 2070 MHz. The Z2 Go GPU has a lower base of 800 MHz but a higher boost of 2700 MHz, and no game clock is recorded. Interestingly, the Z2 Go GPU's boost clock exceeds the RX 9070's boost, but the massive core count difference renders this clock advantage irrelevant in practical throughput.

Power delivery and physical design diverge completely. The RX 9070 is a dual-slot card requiring two 8-pin power connectors and a 550 W suggested power supply. The Z2 Go GPU has no power connectors and no suggested PSU, reflecting its 28 W TDP. The RX 9070 outputs through 1x HDMI 2.1b and 3x DisplayPort 2.1a, while the Z2 Go GPU provides only a single USB Type-C display output. The RX 9070 uses PCIe 5.0 x16; the Z2 Go GPU has no recorded bus interface.

Where Each One Wins

The benchmark data shows the RX 9070 dominates across every measured test, but the nature of the wins reveals different strengths. In synthetic DirectX 12 workloads, the 3DMark Steel Nomad test records a score of 6,290 for the RX 9070. The Z2 Go GPU has no recorded benchmark scores, so direct comparisons rely on architectural analysis and the RX 9070's percentile positioning.

The RX 9070 excels in raw compute and graphics throughput. Its FP32 performance of 36.13 TFLOPS is roughly 8.7 times higher than the Z2 Go GPU's 4.147 TFLOPS. Texture and pixel fill rates follow the same pattern, with the RX 9070 delivering 564.5 GTexel/s versus 129.6 GTexel/s and 322.6 GPixel/s versus 86.40 GPixel/s. These numbers indicate the RX 9070 handles texture-heavy scenes and high-resolution rendering far more effectively.

The Z2 Go GPU's wins are confined to power efficiency and integration. Its 28 W TDP against the RX 9070's 220 W means it draws roughly 87% less power. This makes the Z2 Go GPU suitable for compact, battery-powered devices where a dual-slot, 8-pin-powered graphics card would be impossible. The absence of power connectors and a single USB Type-C display output confirm its intended role as a low-power embedded solution.

The RX 9070's ray tracing advantage is pronounced: 56 RT cores versus 12. Games and workloads that leverage ray tracing will see a substantial performance gap favoring the RX 9070. The Z2 Go GPU's RDNA 2.0 architecture also lacks the architectural refinements of RDNA 4.0, which includes improvements in ray tracing efficiency beyond mere core counts.

Memory bandwidth is another clear separation point. The RX 9070's 644.6 GB/s versus 102.4 GB/s means the discrete card can feed its 3,584 shading units without stalling, while the Z2 Go GPU's 768 shading units face no such bottleneck at its lower performance envelope. The Z2 Go GPU's LPDDR5 memory is also shared with the system in typical console designs, whereas the RX 9070 uses dedicated GDDR6.

Specification Differences

The two GPUs differ in nearly every measurable specification. The RX 9070 uses the Navi 48 chip with RDNA 4.0 architecture; the Z2 Go GPU uses Rembrandt+ with RDNA 2.0. Process nodes are 4 nm versus 6 nm, both at TSMC. Transistor counts are 53,900 million versus 13,100 million, with die sizes of 357 mm² versus 208 mm².

Clock speeds differ across the board. The RX 9070 has a 1330 MHz base and 2520 MHz boost, with a game clock of 2070 MHz. The Z2 Go GPU has an 800 MHz base and 2700 MHz boost, with no game clock recorded. Memory clocks also differ: 2518 MHz (20.1 Gbps effective) for the RX 9070 versus 800 MHz (6.4 Gbps effective) for the Z2 Go GPU.

Memory configuration shows both share 16 GB capacity, but the RX 9070 uses GDDR6 on a 256-bit bus, while the Z2 Go GPU uses LPDDR5 on a 128-bit bus. Bandwidth is 644.6 GB/s versus 102.4 GB/s. The RX 9070 has 3,584 shading units, 224 TMUs, 128 ROPs, and 56 RT cores. The Z2 Go GPU has 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores.

Performance rates are 322.6 GPixel/s and 564.5 GTexel/s for the RX 9070, versus 86.40 GPixel/s and 129.6 GTexel/s for the Z2 Go GPU. FP32 is 36.13 TFLOPS for the RX 9070 and 4.147 TFLOPS for the Z2 Go GPU. FP16 is 36.13 TFLOPS (1:1) versus 8.294 TFLOPS (2:1).

Power specifications show 220 W TDP for the RX 9070 with dual-slot width and 2x 8-pin connectors, requiring a 550 W PSU. The Z2 Go GPU has 28 W TDP, no slot width, no power connectors, and no suggested PSU. Bus interface is PCIe 5.0 x16 for the RX 9070; none recorded for the Z2 Go GPU.

Display outputs are 1x HDMI 2.1b and 3x DisplayPort 2.1a for the RX 9070, versus a single USB Type-C for the Z2 Go GPU. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 9070 launched on 2025-03-05 with a launch MSRP of 549 USD; the Z2 Go GPU launched on 2024-12-31 with no launch MSRP.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between the RX 9070 and the Z2 Go GPU. The Z2 Go GPU has an empty benchmark array and an average benchmark score of zero, placing it at the 50th percentile among all GPUs. The RX 9070 has ten recorded benchmark scores across multiple testing suites.

The RX 9070's 3DMark Steel Nomad DX12 score is 6,290, a strong result for synthetic DirectX 12 gaming workloads. Its Geekbench OpenCL score of 131,539 indicates substantial compute throughput, while the Vulkan score of 58,705 shows cross-API capability. PassMark scores range from 74 in DirectX 12 to 343 in DirectX 9, with a G3D score of 25,381 and GPU compute score of 14,737. The G2D score of 1,280 reflects 2D graphics performance.

Without direct comparisons, the nearest rivals provide context for the RX 9070. Its average benchmark score of 23,877 places it 0.6% ahead of the NVIDIA GeForce GTX TITAN Z (23,736) and 1.1% ahead of the NVIDIA GeForce RTX 3080 Mobile (23,628). It trails the AMD Radeon RX 6800S by 0.8% (24,063) and the NVIDIA GeForce RTX 2080 SUPER by 1.2% (24,170). These deltas show the RX 9070 sits in a tight competitive cluster among these GPUs.

The RX 9070's 69th percentile among all GPUs indicates it outperforms roughly two-thirds of recorded graphics hardware. The Z2 Go GPU's 50th percentile with no scores suggests it ranks at the median based on specifications alone, as no measured performance data exists in the database. This absence of data makes direct numerical comparison impossible, but the architectural specifications provide a clear qualitative picture.

The largest confirmed performance gap comes from raw compute: the RX 9070's 36.13 TFLOPS FP32 versus the Z2 Go GPU's 4.147 TFLOPS represents an 8.7-fold difference. Memory bandwidth shows a 6.3-fold gap at 644.6 GB/s versus 102.4 GB/s. Texture fill rate differs by 4.4 times (564.5 versus 129.6 GTexel/s), and pixel fill rate by 3.7 times (322.6 versus 86.40 GPixel/s). These ratios indicate the RX 9070's advantage grows with workload complexity.

The Verdict

The recorded data positions the RX 9070 as a high-performance discrete graphics solution and the Z2 Go GPU as a low-power integrated option. The RX 9070's 69th percentile ranking, its average benchmark score of 23,877, and its competitive positioning against the RTX 3080 Mobile and RTX 2080 SUPER confirm it delivers solid mid-to-high-end performance for desktop gaming and compute tasks. Its 36.13 TFLOPS FP32, 56 RT cores, and 644.6 GB/s bandwidth make it suitable for demanding games, ray tracing workloads, and content creation.

The Z2 Go GPU, with no recorded benchmarks and a 50th percentile based on specifications, serves an entirely different purpose. Its 28 W TDP, lack of power connectors, and single USB Type-C output indicate it is designed for portable consoles or embedded systems where power efficiency and integration take priority over raw performance. Its 4.147 TFLOPS FP32 and 12 RT cores are modest but appropriate for its intended low-power envelope.

Users seeking maximum graphics performance should choose the RX 9070. The data shows it outperforms the Z2 Go GPU by factors of 8.7 in FP32, 6.3 in memory bandwidth, and 4.7 in RT core count. Its dual-slot design, 8-pin power requirements, and 550 W PSU recommendation confirm it belongs in a full desktop build.

Users prioritizing low power consumption and compact integration should consider the Z2 Go GPU. Its 28 W TDP versus 220 W represents a substantial efficiency advantage, and its lack of power connectors simplifies system design. However, the absence of benchmark scores means its real-world performance cannot be verified from the database.

The architectural gap between RDNA 4.0 and RDNA 2.0 reinforces the performance divide. The RX 9070's 4 nm process, 53,900 million transistors, and 151.0 million transistors per mm² enable capabilities that the 6 nm, 13,100 million transistor Z2 Go GPU cannot approach. The RX 9070 also launched later (2025-03-05 versus 2024-12-31) and carries a launch MSRP of 549 USD, while the Z2 Go GPU has no recorded launch price.

The data suggests these GPUs target mutually exclusive markets. The RX 9070 is a desktop card for high-refresh gaming and GPU-accelerated workloads. The Z2 Go GPU is a console-oriented chip for handheld or embedded systems where every watt matters. Neither product competes with the other in its intended deployment scenario.