AMD Radeon RX 6450M vs AMD Ryzen Z2 Go GPU Comparison

FAQ

Q: What are the core specifications of the AMD Radeon RX 6450M?

A: The AMD Radeon RX 6450M is a Radeon RX 6000 series mobile GPU built on the Navi 24 chip with RDNA 2.0 architecture. It uses a 6 nm process at TSMC, contains 5,400 million transistors on a 107 mm² die, and has a 50 W TDP. It features 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores.

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

A: The AMD Ryzen Z2 Go GPU is a Console GPU (AMD) built on the Rembrandt+ chip with RDNA 2.0 architecture. It is manufactured on a 6 nm process at TSMC, contains 13,100 million transistors on a 208 mm² die, and has a 28 W TDP. It features 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores.

Q: How do the memory configurations differ between the two GPUs?

A: The Radeon RX 6450M uses 4 GB of GDDR6 memory on a 64-bit bus with 128.0 GB/s bandwidth. The Ryzen Z2 Go GPU uses 16 GB of LPDDR5 memory on a 128-bit bus with 102.4 GB/s bandwidth. The Z2 Go has four times the memory capacity but lower bandwidth.

Q: Which GPU has higher clock speeds?

A: The Radeon RX 6450M has a base clock of 2000 MHz, a boost clock of 2460 MHz, and a game clock of 2220 MHz. The Ryzen Z2 Go GPU has a base clock of 800 MHz and a boost clock of 2700 MHz. The RX 6450M has a much higher base clock, while the Z2 Go has a higher boost clock.

Q: What are the compute throughput differences?

A: The Radeon RX 6450M delivers 3.779 TFLOPS FP32 and 7.557 TFLOPS FP16 (2:1). The Ryzen Z2 Go GPU delivers 4.147 TFLOPS FP32 and 8.294 TFLOPS FP16 (2:1). The Z2 Go is ahead in both metrics.

Q: What is the release timeline for each GPU?

A: The AMD Radeon RX 6450M was released on 2023-01-03 and is classified as part of the Navi Mobile (RX 6000M) generation. The AMD Ryzen Z2 Go GPU was released on 2024-12-31 and is classified as part of the Console GPU (AMD) generation.

Architecture Differences

Both GPUs share the same RDNA 2.0 architecture and are fabricated by TSMC on a 6 nm process, but they diverge significantly in chip design and intended role. The Radeon RX 6450M uses the Navi 24 chip, a compact design with 5,400 million transistors on a 107 mm² die, yielding a transistor density of 50.5M / mm². The Ryzen Z2 Go GPU uses the Rembrandt+ chip, a substantially larger die at 208 mm² with 13,100 million transistors, giving a higher transistor density of 63.0M / mm². The Z2 Go's die is roughly double the area and carries more than twice the transistor count.

The two GPUs have identical execution resources: 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The architectural similarity means the performance gap comes from clock behavior, memory subsystem, and power envelope rather than raw compute unit counts.

Memory architecture differs sharply. The RX 6450M pairs 4 GB of GDDR6 on a 64-bit bus with 128.0 GB/s bandwidth. The Z2 Go pairs 16 GB of LPDDR5 on a 128-bit bus with 102.4 GB/s bandwidth. The wider bus on the Z2 Go is offset by the lower effective memory speed (6.4 Gbps effective versus 16 Gbps effective on the RX 6450M), resulting in lower total bandwidth. The RX 6450M is an integrated GPU (IGP) with a slot width of "IGP" and no power connectors, while the Z2 Go also uses no power connectors and has a 28 W TDP, well below the RX 6450M's 50 W TDP.

The display output situation also differs. The RX 6450M lists "Portable Device Dependent" as its display output, while the Z2 Go lists 1x USB Type-C. The RX 6450M uses a PCIe 4.0 x4 bus interface, while the Z2 Go has no bus interface listed in the database. The RX 6450M belongs to the Radeon RX 6000 series and the Navi Mobile (RX 6000M) generation, with its predecessor listed as Polaris Mobile. The Z2 Go belongs to the Console GPU (AMD) generation with no predecessor or series listed.

Head-to-Head Benchmarks

The database records no direct head-to-head benchmark runs between the AMD Radeon RX 6450M and the AMD Ryzen Z2 Go GPU. Both entries have empty benchmark arrays, zero wins each, and no nearest rival data. The comparison therefore rests on the recorded specification data and computed throughput metrics.

In raw compute throughput, the Ryzen Z2 Go GPU leads. The Z2 Go's FP32 output is 4.147 TFLOPS versus 3.779 TFLOPS for the RX 6450M, a difference of 0.368 TFLOPS, or roughly 9.7% higher. The FP16 figures follow the same pattern: 8.294 TFLOPS for the Z2 Go against 7.557 TFLOPS for the RX 6450M. The boost clock advantage explains part of this: the Z2 Go boosts to 2700 MHz versus 2460 MHz for the RX 6450M, a 240 MHz gap.

The RX 6450M counters with a much higher base clock. At 2000 MHz, its base clock is more than double the Z2 Go's 800 MHz base. This suggests the RX 6450M maintains a higher floor of performance under sustained load, while the Z2 Go relies on aggressive boosting to reach its peak. The game clock of 2220 MHz on the RX 6450M further indicates a higher sustained operating point; the Z2 Go has no game clock listed.

Pixel and texture rates favor the Z2 Go. The Z2 Go produces 86.40 GPixel/s against 78.72 GPixel/s for the RX 6450M, a 9.8% advantage. Texture rate is 129.6 GTexel/s versus 118.1 GTexel/s, a 9.7% advantage. These rates scale directly from the boost clock, so the Z2 Go's higher boost frequency translates into faster rasterization and texturing at peak.

Memory bandwidth favors the RX 6450M. At 128.0 GB/s, the RX 6450M delivers 25.6 GB/s more bandwidth than the Z2 Go's 102.4 GB/s, a 25% advantage. The RX 6450M's GDDR6 memory at 16 Gbps effective runs at a much higher data rate than the Z2 Go's LPDDR5 at 6.4 Gbps effective. The Z2 Go compensates with a 128-bit bus versus 64-bit, but the total bandwidth still lands lower.

Power efficiency is where the Z2 Go separates itself. The Z2 Go's 28 W TDP produces 4.147 TFLOPS FP32, while the RX 6450M's 50 W TDP produces 3.779 TFLOPS. The Z2 Go achieves higher throughput at 56% of the power draw. In terms of FP32 per watt, the Z2 Go delivers roughly 0.148 TFLOPS per watt versus 0.076 TFLOPS per watt for the RX 6450M, nearly double the efficiency.

The Verdict

The data indicates two different design priorities. The AMD Radeon RX 6450M is a discrete-class mobile GPU with a 50 W TDP, high base and game clocks, and faster GDDR6 memory. The AMD Ryzen Z2 Go GPU is a low-power console-oriented part with a 28 W TDP, a much larger die, and 16 GB of LPDDR5 memory.

For compute throughput and peak rasterization, the Z2 Go holds the edge in every rate metric: FP32, FP16, pixel rate, and texture rate. Its higher boost clock of 2700 MHz drives these results despite a low 800 MHz base clock. For sustained clock behavior and memory bandwidth, the RX 6450M is stronger, with a 2000 MHz base clock, 2220 MHz game clock, and 128.0 GB/s of bandwidth.

Memory capacity is a decisive differentiator. The Z2 Go's 16 GB is four times the RX 6450M's 4 GB, which matters for workloads that exceed a 4 GB footprint. The RX 6450M's bandwidth advantage of 25.6 GB/s matters for workloads that are bandwidth-bound rather than capacity-bound.

The production status of both is Active. The release dates place the RX 6450M in early 2023 and the Z2 Go at the end of 2024. Neither has a launch MSRP listed in the database.

Specification Differences

The following fields differ between the two GPUs:

• Series: Radeon RX 6000 series (RX 6450M) versus none listed (Z2 Go)
• Chip: Navi 24 (RX 6450M) versus Rembrandt+ (Z2 Go)
• Generation: Navi Mobile (RX 6000M) versus Console GPU (AMD)
• Transistors: 5,400 million versus 13,100 million
• Die Size: 107 mm² versus 208 mm²
• Transistor Density: 50.5M / mm² versus 63.0M / mm²
• Base Clock: 2000 MHz versus 800 MHz
• Boost Clock: 2460 MHz versus 2700 MHz
• Game Clock: 2220 MHz versus none listed
• Memory Clock: 2000 MHz, 16 Gbps effective versus 800 MHz, 6.4 Gbps effective
• Memory Size: 4 GB versus 16 GB
• Memory Type: GDDR6 versus LPDDR5
• Memory Bus Width: 64 bit versus 128 bit
• Memory Bandwidth: 128.0 GB/s versus 102.4 GB/s
• Pixel Rate: 78.72 GPixel/s versus 86.40 GPixel/s
• Texture Rate: 118.1 GTexel/s versus 129.6 GTexel/s
• FP32: 3.779 TFLOPS versus 4.147 TFLOPS
• FP16: 7.557 TFLOPS (2:1) versus 8.294 TFLOPS (2:1)
• TDP: 50 W versus 28 W
• Slot Width: IGP versus none listed
• Bus Interface: PCIe 4.0 x4 versus none listed
• Display Outputs: Portable Device Dependent versus 1x USB Type-C
• Release Date: 2023-01-03 versus 2024-12-31
• Predecessor: Polaris Mobile versus none listed

Identical specifications include the manufacturer (AMD), architecture (RDNA 2.0), process node (6 nm), foundry (TSMC), shading units (768), TMUs (48), ROPs (32), ray tracing cores (12), power connectors (None), and all three API support levels (DirectX 12 Ultimate 12_2, OpenGL 4.6, Vulkan 1.4).

Where Each One Wins

The AMD Ryzen Z2 Go GPU wins on peak compute and rasterization throughput. Its 4.147 TFLOPS FP32, 8.294 TFLOPS FP16, 86.40 GPixel/s pixel rate, and 129.6 GTexel/s texture rate all exceed the RX 6450M's corresponding figures. The Z2 Go also wins decisively on power efficiency, delivering higher performance at a 28 W TDP versus 50 W, and on memory capacity with 16 GB versus 4 GB. The larger die with 13,100 million transistors and 63.0M / mm² density reflects a more complex implementation. The Z2 Go is the choice when peak boost performance, large memory footprints, and low power draw are the priorities.

The AMD Radeon RX 6450M wins on sustained clock behavior and memory bandwidth. Its 2000 MHz base clock and 2220 MHz game clock indicate a higher guaranteed performance floor, while its 128.0 GB/s bandwidth exceeds the Z2 Go by 25.6 GB/s. The GDDR6 memory at 16 Gbps effective provides a faster data path. The RX 6450M also has a defined bus interface (PCIe 4.0 x4) and a defined slot width (IGP), making its integration characteristics clear. The RX 6450M is the choice when sustained clock stability, bandwidth-bound workloads, and a well-defined mobile form factor are the priorities.

Neither GPU has recorded benchmark scores, wins, or nearest rival data in the database, so the comparison is entirely specification-driven. The Z2 Go's higher boost clock and larger memory capacity position it for peak performance and capacity-heavy scenarios, while the RX 6450M's higher base clock, game clock, and memory bandwidth position it for consistent throughput and bandwidth-sensitive tasks. Both share the same architecture, the same execution resource counts, and the same API feature set, so the differentiators are power, memory, and clock strategy.