NVIDIA GeForce RTX 5070 Mobile vs NVIDIA RTX PRO 4500 Blackwell Server Comparison

FAQ

Q: How do the two GPUs compare in terms of compute performance?

A: The RTX PRO 4500 Blackwell Server delivers 50.70 TFLOPS of FP32 performance, while the GeForce RTX 5070 Mobile provides 13.13 TFLOPS. The server part is 3.86 times faster in raw FP32 throughput.

Q: What memory configurations do the cards use?

A: The RTX 5070 Mobile has 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s bandwidth. The RTX PRO 4500 has 32 GB of GDDR7 on a 256-bit bus with 800.3 GB/s bandwidth, which is 2.08 times the bandwidth and 4 times the capacity.

Q: Which GPU has higher clock speeds?

A: The RTX PRO 4500 runs at a base clock of 1215 MHz and boosts to 2415 MHz. The RTX 5070 Mobile runs at 907 MHz base and 1425 MHz boost. The server part has a 990 MHz higher boost clock.

Q: Are these cards in the same performance class?

A: No. The RTX 5070 Mobile sits at the 75th percentile among all GPUs, with an average benchmark score of 29928. The RTX PRO 4500 has no recorded benchmarks in the database, so its average score is 0 and it ranks at the 50th percentile.

Q: What are the physical differences?

A: The RTX 5070 Mobile is an integrated graphics processor (IGP) with no slot width, power connectors, or display outputs of its own. The RTX PRO 4500 is a single-slot card measuring 267 mm long, 111 mm high, and 40 mm wide, requiring one 16-pin power connector and a 450 W suggested PSU.

Q: Which GPU has more shading units and ray tracing cores?

A: The RTX PRO 4500 has 10496 shading units and 82 RT cores. The RTX 5070 Mobile has 4608 shading units and 36 RT cores. The server GPU has 2.28 times more shading units and 2.28 times more RT cores.

Architecture Differences

Both GPUs share the Blackwell 2.0 architecture, built on a 5 nm process at TSMC. The transistor densities are nearly identical: 121.0M per mm² for the RTX 5070 Mobile and 120.6M per mm² for the RTX PRO 4500. The fundamental difference lies in chip scale. The RTX 5070 Mobile uses the GB206 chip with 21,900 million transistors on a 181 mm² die. The RTX PRO 4500 uses the GB203 chip with 45,600 million transistors on a 378 mm² die. That is 2.08 times the transistor count and 2.09 times the die area.

The memory subsystem differs substantially. The RTX 5070 Mobile uses 8 GB of GDDR7 across a 128-bit bus, achieving 384.0 GB/s. The RTX PRO 4500 uses 32 GB of GDDR7 across a 256-bit bus, achieving 800.3 GB/s. The effective memory clock also differs: 24 Gbps for the mobile part versus 25 Gbps for the server part. The server GPU has 2.28 times the shading units (10496 vs 4608), 2.28 times the TMUs (328 vs 144), and 2.33 times the ROPs (112 vs 48). Tensor core counts follow the same ratio: 328 for the RTX PRO 4500 versus 144 for the RTX 5070 Mobile.

Clock behavior reflects their different roles. The RTX 5070 Mobile runs at 907 MHz base and 1425 MHz boost, constrained by its 50 W TDP. The RTX PRO 4500 runs at 1215 MHz base and 2415 MHz boost, enabled by its 165 W TDP. The server GPU also has a 450 W suggested PSU, while the mobile part draws from the host system. The RTX PRO 4500 is a single-slot card with one 16-pin power connector and no display outputs. The RTX 5070 Mobile is an IGP with display outputs described as portable device dependent. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, and both use PCIe 5.0 x16.

The RTX PRO 4500 is part of the Server Blackwell (Bxx) generation, succeeding Server Hopper and preceding Server Rubin. The RTX 5070 Mobile is part of the GeForce 50 Mobile generation, succeeding GeForce 40 Mobile. The server card was released on 2026-03-16, while the mobile card was released on 2025-04-14.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between these two GPUs. The RTX 5070 Mobile has recorded scores across multiple test suites, while the RTX PRO 4500 has no benchmark entries. This absence of direct data requires careful interpretation of the available metrics.

The RTX 5070 Mobile achieves an average benchmark score of 29928 across its recorded tests. Its nearest rival, the NVIDIA GeForce RTX 3070 Ti, scores 29945, putting the mobile part 0.1% behind. The RTX 2080 Ti scores 29783, placing the RTX 5070 Mobile 0.5% ahead. Against AMD parts, the Radeon RX 6800 scores 30095, which is 0.6% ahead of the RTX 5070 Mobile, and the Radeon RX 6700 scores 30433, which is 1.7% ahead. These narrow margins place the mobile GPU in the performance vicinity of upper-midrange desktop parts from previous generations.

The RTX PRO 4500 sits at the 50th percentile among all GPUs, but this ranking is based on no benchmark data. Its average benchmark score is recorded as 0. The FP32 compute figure of 50.70 TFLOPS versus 13.13 TFLOPS for the mobile part indicates a theoretical compute advantage of 3.86 times, but no practical benchmark confirms this in the database.

Pixel and texture rates reinforce the compute gap. The RTX PRO 4500 achieves 270.5 GPixel/s and 792.1 GTexel/s. The RTX 5070 Mobile achieves 68.40 GPixel/s and 205.2 GTexel/s. The server part delivers 3.95 times the pixel throughput and 3.86 times the texture throughput. These rates scale almost exactly with the FP32 ratio, suggesting the architecture scales uniformly across execution resources.

Memory bandwidth follows a different ratio. The RTX PRO 4500 provides 800.3 GB/s versus 384.0 GB/s for the RTX 5070 Mobile, a 2.08 times advantage. This lower scaling relative to compute means the server GPU has a higher compute-to-bandwidth ratio, which can matter for bandwidth-bound workloads.

Specification Differences

The two GPUs differ across nearly every specification field. The chip is GB206 for the RTX 5070 Mobile and GB203 for the RTX PRO 4500. Transistor count is 21,900 million versus 45,600 million. Die size is 181 mm² versus 378 mm². Base clock is 907 MHz versus 1215 MHz. Boost clock is 1425 MHz versus 2415 MHz. Memory clock is 1500 MHz (24 Gbps effective) versus 1563 MHz (25 Gbps effective).

Memory size is 8 GB versus 32 GB. Bus width is 128 bit versus 256 bit. Bandwidth is 384.0 GB/s versus 800.3 GB/s. Shading units are 4608 versus 10496. TMUs are 144 versus 328. ROPs are 48 versus 112. RT cores are 36 versus 82. Tensor cores are 144 versus 328. Pixel rate is 68.40 GPixel/s versus 270.5 GPixel/s. Texture rate is 205.2 GTexel/s versus 792.1 GTexel/s. FP32 is 13.13 TFLOPS versus 50.70 TFLOPS. FP16 is 13.13 TFLOPS versus 50.70 TFLOPS, both at 1:1 ratio.

TDP is 50 W versus 165 W. Slot width is IGP versus single-slot. Power connectors are none versus one 16-pin. Suggested PSU is absent versus 450 W. Display outputs are portable device dependent versus no outputs. Dimensions are null for the mobile part versus 267 mm length, 111 mm height, and 40 mm width for the server part. Release dates differ: 2025-04-14 for the mobile part, 2026-03-16 for the server part. The predecessor and successor fields also differ: GeForce 40 Mobile versus Server Hopper as predecessor, and null versus Server Rubin as successor.

The transistor density is nearly identical at 121.0M per mm² versus 120.6M per mm², indicating the same process technology. Both use GDDR7 memory and PCIe 5.0 x16. Both support the same API set: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The Verdict

The data describes two GPUs built on the same architecture but engineered for completely different operating envelopes. The RTX 5070 Mobile is a 50 W integrated part for portable devices, with 8 GB of memory and a modest 13.13 TFLOPS of FP32 compute. Its benchmark record places it among established desktop parts like the RTX 3070 Ti and RTX 2080 Ti, with average scores within 1.7% of its nearest rivals. The 75th percentile ranking confirms solid mainstream performance.

The RTX PRO 4500 Blackwell Server is a 165 W single-slot card with 32 GB of memory and 50.70 TFLOPS of FP32 compute. Its specification sheet indicates a 3.86 times compute advantage over the mobile part, a 2.08 times bandwidth advantage, and 2.28 times the shading units. The lack of benchmark data means the database cannot verify real-world performance, but the theoretical throughput figures place it in a different performance class entirely.

For workloads that fit within 8 GB of memory and a 50 W power envelope, the RTX 5070 Mobile offers validated performance in the GeForce 50-series lineage. For workloads requiring large memory capacity, high bandwidth, and maximum compute throughput in a server context, the RTX PRO 4500 is the only choice between these two, based purely on the recorded specifications.

The selection depends entirely on the use case. A portable device with limited power and thermal budget requires the RTX 5070 Mobile. A server environment with a single-slot constraint, external power available, and no display output requirement aligns with the RTX PRO 4500. The two GPUs do not compete in the same segment; they serve different physical and performance requirements.

Where Each One Wins

RTX 5070 Mobile wins on portability and integration. The IGP form factor with no slot width and no power connectors fits directly into mobile systems. The 50 W TDP allows operation in thermally constrained chassis. Display outputs are portable device dependent, meaning the host system provides connectivity. The release date of 2025-04-14 makes it available earlier than the server part. Its benchmark scores are recorded and validated, with an average of 29928 and a 75th percentile ranking. Against its nearest rivals, it is within 0.1% of the RTX 3070 Ti and 0.5% ahead of the RTX 2080 Ti, indicating competitive performance for its class.

RTX PRO 4500 wins on raw throughput and capacity. The FP32 output of 50.70 TFLOPS is 3.86 times the mobile part. The 32 GB memory capacity is 4 times larger, and the 800.3 GB/s bandwidth is 2.08 times higher. The 10496 shading units, 328 TMUs, and 112 ROPs all scale at approximately 2.28 to 2.33 times the mobile part. The 82 RT cores and 328 tensor cores provide correspondingly higher acceleration capacity for ray tracing and AI workloads. The 2415 MHz boost clock is 990 MHz higher than the mobile part. The 378 mm² die with 45,600 million transistors represents a substantially larger implementation of the same architecture.

Compute-bound workloads favor the RTX PRO 4500. The pixel rate of 270.5 GPixel/s and texture rate of 792.1 GTexel/s are 3.95 and 3.86 times the mobile part respectively. These ratios align with the FP32 ratio, confirming uniform scaling across execution resources.

Memory-bound workloads favor the RTX PRO 4500. The 256-bit bus and 25 Gbps effective memory clock deliver 800.3 GB/s, which is 2.08 times the 384.0 GB/s of the mobile part. The 32 GB capacity supports datasets that would exhaust the 8 GB mobile memory.

Power-constrained environments favor the RTX 5070 Mobile. The 50 W TDP versus 165 W means the mobile part draws less than one-third the power. The server part requires a 450 W suggested PSU and a single-slot physical footprint with a 16-pin connector.

Server deployment favors the RTX PRO 4500. The single-slot form factor with defined dimensions (267 mm length, 111 mm height, 40 mm width) and no display outputs suits rack-mounted configurations. The mobile part has no defined dimensions and relies on portable device integration.