AMD Radeon 880M vs AMD Ryzen Z2 Go GPU Comparison

FAQ

Q: How does the AMD Radeon 880M compare to the AMD Ryzen Z2 Go GPU in average benchmark score?

A: The Radeon 880M has an average benchmark score of 8436, placing it at the 43rd percentile of all GPUs. The Ryzen Z2 Go GPU has no recorded benchmark scores in the database, with an average score of 0, though it is listed at the 50th percentile.

Q: What is the transistor count difference between the two GPUs?

A: The Radeon 880M packs 34,000 million transistors on a 4 nm TSMC process, while the Ryzen Z2 Go GPU uses 13,100 million transistors on a 6 nm TSMC process. The 880M's transistor density is 145.9M per mm² versus 63.0M per mm² for the Z2 Go GPU.

Q: Which GPU has a higher boost clock?

A: The Radeon 880M boosts to 2900 MHz, which is 200 MHz higher than the Ryzen Z2 Go GPU's 2700 MHz boost. The Z2 Go does start from a higher base clock of 800 MHz compared to the 880M's 400 MHz.

Q: How do the shading unit counts compare?

A: Both GPUs feature 768 shading units and 48 texture mapping units. They also each have 12 ray tracing cores. The main difference in rendering hardware is that the Radeon 880M has 16 ROPs while the Ryzen Z2 Go GPU has 32 ROPs.

Q: What memory configurations do these GPUs support?

A: The Radeon 880M uses system shared memory with bandwidth described as system dependent. The Ryzen Z2 Go GPU has 16 GB of dedicated LPDDR5 memory on a 128-bit bus, delivering 102.4 GB/s of bandwidth.

Q: What is the thermal design power for each GPU?

A: The Radeon 880M is rated at 15 W, while the Ryzen Z2 Go GPU is rated at 28 W. Both GPUs use no external power connectors.

The Verdict

The data shows two different design philosophies from AMD. The Radeon 880M is built for efficiency and integration within a mobile SoC, while the Ryzen Z2 Go GPU is a console-class part with dedicated memory and a higher power envelope.

For raw pixel throughput, the Ryzen Z2 Go GPU wins decisively. Its 86.40 GPixel/s pixel rate is nearly double the 880M's 46.40 GPixel/s. This comes from having twice the ROP count (32 versus 16) despite a lower boost clock. The Z2 Go also has a higher base clock (800 MHz versus 400 MHz), suggesting it maintains more consistent performance when not boosting.

The Radeon 880M counters in compute throughput. Its FP32 performance of 4.454 TFLOPS edges out the Z2 Go's 4.147 TFLOPS. The 880M also has a higher texture rate at 139.2 GTexel/s versus 129.6 GTexel/s. For tasks that rely on shader compute rather than pixel output, the 880M has the advantage.

Memory architecture is a major differentiator. The Z2 Go's dedicated 16 GB LPDDR5 pool with 102.4 GB/s bandwidth is a clear advantage for gaming workloads that need consistent memory access. The 880M's system shared memory with system dependent bandwidth means its performance varies with the host system's memory configuration.

For peak FP16 compute, the Z2 Go takes the lead with 8.294 TFLOPS (2:1 ratio), while the 880M delivers 4.454 TFLOPS (1:1 ratio). This suggests the Z2 Go has better headroom for workloads that can leverage packed math.

The process node difference is notable. The 880M uses TSMC's 4 nm process versus 6 nm for the Z2 Go. This allows the 880M to fit 34,000 million transistors in a 233 mm² die, while the Z2 Go fits 13,100 million in a 208 mm² die. The 880M's higher density translates to more compute capability in a lower power envelope.

For users prioritizing frame rate in games that fill pixels, particularly at higher resolutions, the Z2 Go's ROP advantage and dedicated memory make it the stronger choice. For compute-heavy applications or scenarios where power draw is critical, the 880M's higher FP32 throughput and lower TDP are compelling.

Head-to-Head Benchmarks

The database has no direct head-to-head benchmark results between these two GPUs, and the Ryzen Z2 Go GPU has no individual benchmark scores recorded. This makes direct comparison reliant on specification-derived metrics.

The pixel rate comparison is the clearest differentiator. The Z2 Go's 86.40 GPixel/s versus the 880M's 46.40 GPixel/s represents an 86.2% advantage. This means the Z2 Go can fill rasterized frames substantially faster, which directly impacts resolution scaling and anti-aliasing performance.

In texture throughput, the 880M takes a smaller lead. Its 139.2 GTexel/s is 7.4% higher than the Z2 Go's 129.6 GTexel/s. This difference comes from the 880M's higher boost clock (2900 MHz versus 2700 MHz) applied to the same 48 TMU count.

For compute, the 880M's FP32 output of 4.454 TFLOPS is 7.4% higher than the Z2 Go's 4.147 TFLOPS. This aligns with the texture rate difference, as both scale with clock speed on identical shader counts.

The FP16 comparison reverses the order. The Z2 Go's 8.294 TFLOPS is 86.2% higher than the 880M's 4.454 TFLOPS. The Z2 Go's 2:1 FP16 ratio allows it to double throughput when packed operations are used, while the 880M runs FP16 at the same rate as FP32.

The ROP count difference drives the pixel rate gap. With 32 ROPs, the Z2 Go processes twice as many pixels per clock as the 880M's 16 ROPs. This architectural choice explains why the Z2 Go achieves nearly double the pixel rate despite a lower boost clock.

Memory bandwidth is another major gap. The Z2 Go's 102.4 GB/s dedicated bandwidth is fixed and predictable, while the 880M's bandwidth is system dependent. In practice, the Z2 Go's memory subsystem provides consistent performance for texture streaming and frame buffer operations.

Specification Differences

The two GPUs differ across nearly every measurable specification. The Radeon 880M uses a 4 nm TSMC process with 34,000 million transistors on a 233 mm² die. The Ryzen Z2 Go GPU uses a 6 nm TSMC process with 13,100 million transistors on a 208 mm² die. Transistor density is 145.9M per mm² for the 880M and 63.0M per mm² for the Z2 Go.

Clock behavior differs significantly. The 880M has a 400 MHz base clock and 2900 MHz boost. The Z2 Go has an 800 MHz base clock and 2700 MHz boost. The Z2 Go's higher base clock suggests better sustained performance under load, while the 880M's higher boost clock provides peak throughput.

Memory configurations are fundamentally different. The 880M uses system shared memory with system dependent bandwidth and no dedicated pool. The Z2 Go has 16 GB of LPDDR5 memory on a 128-bit bus with 102.4 GB/s bandwidth and an effective memory clock of 6.4 Gbps.

The ROP count is the most significant rendering hardware difference. The 880M has 16 ROPs, while the Z2 Go has 32 ROPs. Both have 768 shading units, 48 TMUs, and 12 ray tracing cores. The pixel rate reflects this: 46.40 GPixel/s for the 880M versus 86.40 GPixel/s for the Z2 Go.

Power consumption differs by 13 W. The 880M is rated at 15 W TDP, while the Z2 Go is rated at 28 W TDP. Neither uses external power connectors. The 880M is classified as an integrated GPU (IGP), while the Z2 Go has no slot width classification.

The 880M uses a PCIe 4.0 x8 bus interface, while the Z2 Go has no recorded bus interface. Display outputs also differ: the 880M's outputs are portable device dependent, while the Z2 Go has a single USB Type-C output.

Release timing differs by about six months. The 880M was released in July 2024, while the Z2 Go GPU was released at the end of December 2024.

Architecture Differences

The Radeon 880M uses RDNA 3.5 architecture on the Strix Point chip, belonging to the Navi III IGP generation. The Ryzen Z2 Go GPU uses RDNA 2.0 architecture on the Rembrandt+ chip, classified as a Console GPU. This is a two-generation architectural gap within AMD's GPU lineup.

The 880M implements FP16 at a 1:1 ratio with FP32, meaning it processes half-precision data at the same rate as single-precision. The Z2 Go uses a 2:1 FP16 ratio, allowing it to double FP16 throughput. This makes the Z2 Go better suited for workloads that can use packed math, such as certain machine learning inference tasks.

The transistor density difference reflects the architectural evolution. RDNA 3.5 on 4 nm achieves 145.9M transistors per mm², while RDNA 2.0 on 6 nm achieves 63.0M per mm². The 880M packs more than twice the transistor density, enabling higher compute throughput per watt.

Both architectures support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This means they expose the same API feature sets, including hardware ray tracing support through their 12 ray tracing cores each.

The RDNA 3.5 architecture in the 880M represents a refinement of the RDNA lineage with improved power efficiency. Its 15 W TDP with 4.454 TFLOPS FP32 yields substantially better performance per watt than the Z2 Go's 28 W TDP with 4.147 TFLOPS.

The Z2 Go's RDNA 2.0 architecture is older but has been adapted for console use with a dedicated memory interface. Its 16 GB LPDDR5 configuration with 102.4 GB/s bandwidth suggests a design prioritizing consistent frame pacing over peak compute.

The 880M's system shared memory architecture means its bandwidth scales with the host system's memory configuration. The Z2 Go's fixed memory subsystem removes this variable, providing predictable performance across different host systems.

Where Each One Wins

The Ryzen Z2 Go GPU wins in scenarios that demand high pixel throughput. Its 86.40 GPixel/s pixel rate, driven by 32 ROPs, makes it better suited for rendering at high resolutions with anti-aliasing enabled. Games that fill large frame buffers will benefit from this advantage.

The Z2 Go also wins in memory-intensive workloads. Its dedicated 16 GB LPDDR5 pool with 102.4 GB/s bandwidth ensures consistent texture streaming and frame buffer access. The 880M's system dependent bandwidth means its memory performance varies with the host platform.

For FP16 compute workloads, the Z2 Go's 8.294 TFLOPS (2:1) provides a clear edge. Applications that can utilize packed math operations, such as certain neural network inference tasks, will see throughput nearly double the 880M's FP16 output.

The Radeon 880M wins in FP32 compute throughput. Its 4.454 TFLOPS exceeds the Z2 Go's 4.147 TFLOPS, making it better for general-purpose shader compute and physics simulations that rely on single-precision arithmetic.

The 880M also wins in texture throughput, with 139.2 GTexel/s versus 129.6 GTexel/s. This benefits games with heavy texture sampling, though the gap is modest at 7.4%.

The 880M wins on power efficiency. Its 15 W TDP delivers comparable FP32 compute to the Z2 Go's 28 W TDP, showing a significant performance-per-watt advantage. For portable devices where battery life matters, this is a critical factor.

The Z2 Go wins on sustained performance predictability. Its higher base clock of 800 MHz (versus 400 MHz) and fixed memory bandwidth suggest more consistent frame rates over extended gaming sessions, even if peak compute is slightly lower.

For console-style gaming with dedicated memory and higher power budget, the Z2 Go is the stronger choice. For thin-and-light portables where efficiency and integrated design matter, the 880M's architecture delivers better compute per watt.