NVIDIA GeForce RTX 4070 Mobile vs NVIDIA RTX PRO 4500 Blackwell Server Comparison

Head-to-Head Benchmarks

The recorded data shows no direct head-to-head benchmark comparisons between the NVIDIA GeForce RTX 4070 Mobile and the NVIDIA RTX PRO 4500 Blackwell Server. The database contains no shared test scores for these two products, meaning the RTX 4070 Mobile has a complete set of nine benchmark entries while the RTX PRO 4500 Blackwell Server has none recorded.

The RTX 4070 Mobile's average benchmark score of 27,435 places it in the 73rd percentile of all GPUs tracked in the database. Its nearest rivals include the AMD Radeon RX 6700 XT with an average score of 27,425, the NVIDIA GeForce RTX 3090 at 27,565, the NVIDIA RTX PRO 4000 Blackwell at 27,135, and the AMD Radeon Pro Vega 20 at 27,839. The delta percentages show the RTX 4070 Mobile essentially matches the RX 6700 XT (0.0% difference), trails the RTX 3090 by 0.5%, leads the RTX PRO 4000 Blackwell by 1.1%, and trails the Radeon Pro Vega 20 by 1.5%.

Within the RTX 4070 Mobile's own benchmark suite, the strongest result appears in Geekbench OpenCL with a score of 109,197, closely followed by Geekbench Vulkan at 108,367. The Passmark suite shows a G3D score of 19,587, a G2D score of 763, and a GPU compute score of 8,399. The legacy DirectX tests show scores of 223 for DirectX 9, 179 for DirectX 11, 116 for DirectX 10, and 85 for DirectX 12.

Since the RTX PRO 4500 Blackwell Server has no benchmarks recorded, its average score is listed as zero and its percentile sits at 50. This absence of data prevents any direct numerical comparison of compute performance, rasterization throughput, or ray tracing capability between the two cards.

Architecture Differences

The two GPUs represent entirely different architectural generations from NVIDIA. The GeForce RTX 4070 Mobile uses the AD106 chip built on the Ada Lovelace architecture, fabricated by TSMC on a 5 nm process. The RTX PRO 4500 Blackwell Server uses the GB203 chip built on the Blackwell 2.0 architecture, also fabricated by TSMC on a 5 nm process.

The transistor counts reveal the scale difference. The AD106 chip packs 22,900 million transistors across a 188 mm² die, yielding a transistor density of 121.8 million transistors per square millimeter. The GB203 chip contains 45,600 million transistors on a 378 mm² die, giving a density of 120.6 million transistors per square millimeter. Despite having roughly double the die area and nearly double the transistor count, the transistor density remains almost identical, indicating similar manufacturing maturity.

The RTX PRO 4500 Blackwell Server belongs to the Server Blackwell (Bxx) generation with a release date in 2026, succeeding Server Hopper and preceding Server Rubin. The RTX 4070 Mobile belongs to the GeForce 40 Mobile generation, released in 2023, succeeding GeForce 30 Mobile and preceding GeForce 50 Mobile.

Memory architecture differs substantially. The RTX 4070 Mobile uses 8 GB of GDDR6 memory on a 128-bit bus, delivering 256.0 GB/s of bandwidth. The RTX PRO 4500 Blackwell Server uses 32 GB of GDDR7 memory on a 256-bit bus, delivering 800.3 GB/s of bandwidth. The memory clock rates reflect the newer standard: the RTX 4070 Mobile runs at 2000 MHz with 16 Gbps effective speed, while the RTX PRO 4500 Blackwell Server runs at 1563 MHz with 25 Gbps effective speed.

Compute resources scale dramatically between the two. The RTX 4070 Mobile has 4,608 shading units, 144 texture mapping units, 48 ROPs, 36 ray tracing cores, and 144 tensor cores. The RTX PRO 4500 Blackwell Server has 10,496 shading units, 328 texture mapping units, 112 ROPs, 82 ray tracing cores, and 328 tensor cores. The server card more than doubles the shading units, TMUs, and tensor cores, while more than doubling the ROPs and ray tracing cores.

The RTX 4070 Mobile operates at a base clock of 1395 MHz and a boost clock of 1695 MHz. The RTX PRO 4500 Blackwell Server has a lower base clock of 1215 MHz but a substantially higher boost clock of 2415 MHz. This higher boost clock, combined with the larger compute array, produces much higher throughput figures: the server card achieves 50.70 TFLOPS of FP32 and FP16 performance, while the mobile card achieves 15.62 TFLOPS in both precision modes.

The power envelopes differ as expected for their form factors. The RTX 4070 Mobile has a TDP of 115 W, uses no power connectors, and is classified as an IGP (integrated graphics processor) with portable device dependent display outputs. The RTX PRO 4500 Blackwell Server has a TDP of 165 W, uses a single 16-pin power connector, requires a 450 W suggested PSU, and occupies a single slot with no display outputs. Its physical dimensions are 267 mm in length, 111 mm in height, and 40 mm in width.

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The bus interfaces differ: the RTX 4070 Mobile uses PCIe 4.0 x8, while the RTX PRO 4500 Blackwell Server uses PCIe 5.0 x16.

FAQ

Q: Which GPU has more memory and bandwidth?

A: The RTX PRO 4500 Blackwell Server has 32 GB of GDDR7 memory on a 256-bit bus with 800.3 GB/s bandwidth, compared to the RTX 4070 Mobile's 8 GB of GDDR6 on a 128-bit bus with 256.0 GB/s bandwidth.

Q: How do the clock speeds compare?

A: The RTX 4070 Mobile has a base clock of 1395 MHz and boost clock of 1695 MHz. The RTX PRO 4500 Blackwell Server has a base clock of 1215 MHz but boosts much higher to 2415 MHz.

Q: What are the power requirements?

A: The RTX 4070 Mobile has a TDP of 115 W and uses no power connectors. The RTX PRO 4500 Blackwell Server has a TDP of 165 W, requires a single 16-pin power connector, and needs a suggested PSU of 450 W.

Q: What is the physical form factor difference?

A: The RTX 4070 Mobile is an IGP with portable device dependent display outputs. The RTX PRO 4500 Blackwell Server is a single-slot card measuring 267 mm by 111 mm by 40 mm, with no display outputs.

Q: Which GPU has more compute units?

A: The RTX PRO 4500 Blackwell Server has 10,496 shading units, 328 TMUs, 112 ROPs, 82 RT cores, and 328 tensor cores. The RTX 4070 Mobile has 4,608 shading units, 144 TMUs, 48 ROPs, 36 RT cores, and 144 tensor cores.

Q: What benchmark data exists for each card?

A: The RTX 4070 Mobile has nine recorded benchmarks with an average score of 27,435. The RTX PRO 4500 Blackwell Server has no recorded benchmarks, giving it an average score of zero.

The Verdict

The data shows two GPUs built for completely different deployment scenarios. The RTX 4070 Mobile is a notebook-oriented processor with modest power consumption, no external power connectors, and portable device dependent outputs. The RTX PRO 4500 Blackwell Server is a single-slot server card with a 16-pin power connector, no display outputs, and a 450 W suggested PSU.

In terms of raw compute capability, the RTX PRO 4500 Blackwell Server dominates on every measured specification. It delivers 50.70 TFLOPS of FP32 performance versus 15.62 TFLOPS for the RTX 4070 Mobile, a more than threefold advantage. Its pixel rate of 270.5 GPixel/s and texture rate of 792.1 GTexel/s dwarf the mobile card's 81.36 GPixel/s and 244.1 GTexel/s. The server card also offers four times the memory capacity and more than three times the memory bandwidth.

The RTX 4070 Mobile's advantage lies in its benchmark records and market positioning. It has a 73rd percentile ranking among all GPUs with an average score of 27,435, while the RTX PRO 4500 Blackwell Server sits at the 50th percentile with no recorded scores. The mobile card's nearest rival comparisons show it performing within 1.5% of the AMD Radeon RX 6700 XT, NVIDIA GeForce RTX 3090, NVIDIA RTX PRO 4000 Blackwell, and AMD Radeon Pro Vega 20.

The production status shows both cards as active, but their release dates differ by roughly three years. The RTX 4070 Mobile launched in early 2023, while the RTX PRO 4500 Blackwell Server arrived in early 2026. The server card represents a newer architectural generation with a successor already planned in Server Rubin.

Specification Differences

| Specification | RTX 4070 Mobile | RTX PRO 4500 Blackwell Server |

|---|---|---|

| Architecture | Ada Lovelace | Blackwell 2.0 |

| Chip | AD106 | GB203 |

| Process Node | 5 nm | 5 nm |

| Transistors | 22,900 million | 45,600 million |

| Die Size | 188 mm² | 378 mm² |

| Transistor Density | 121.8M / mm² | 120.6M / mm² |

| Base Clock | 1395 MHz | 1215 MHz |

| Boost Clock | 1695 MHz | 2415 MHz |

| Memory Clock | 2000 MHz, 16 Gbps effective | 1563 MHz, 25 Gbps effective |

| Memory Size | 8 GB | 32 GB |

| Memory Type | GDDR6 | GDDR7 |

| Memory Bus | 128 bit | 256 bit |

| Memory Bandwidth | 256.0 GB/s | 800.3 GB/s |

| Shading Units | 4608 | 10496 |

| TMUs | 144 | 328 |

| ROPs | 48 | 112 |

| RT Cores | 36 | 82 |

| Tensor Cores | 144 | 328 |

| Pixel Rate | 81.36 GPixel/s | 270.5 GPixel/s |

| Texture Rate | 244.1 GTexel/s | 792.1 GTexel/s |

| FP32 | 15.62 TFLOPS | 50.70 TFLOPS |

| FP16 | 15.62 TFLOPS (1:1) | 50.70 TFLOPS (1:1) |

| TDP | 115 W | 165 W |

| Slot Width | IGP | Single-slot |

| Power Connectors | None | 1x 16-pin |

| Suggested PSU | null | 450 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |

| Display Outputs | Portable Device Dependent | No outputs |

| Dimensions | null | 267 mm x 111 mm x 40 mm |

| Release Date | 2023 | 2026 |

| Predecessor | GeForce 30 Mobile | Server Hopper |

| Successor | GeForce 50 Mobile | Server Rubin |

| Avg Benchmark Score | 27,435 | 0 |

| Percentile | 73 | 50 |

Where Each One Wins

The RTX PRO 4500 Blackwell Server wins decisively in every performance specification recorded in the database. Its FP32 throughput of 50.70 TFLOPS is more than three times the RTX 4070 Mobile's 15.62 TFLOPS. The server card's texture rate of 792.1 GTexel/s and pixel rate of 270.5 GPixel/s position it for high-throughput compute workloads, while its 800.3 GB/s memory bandwidth and 32 GB capacity support large datasets that would exceed the mobile card's 256.0 GB/s bandwidth and 8 GB capacity.

The server card's 82 ray tracing cores and 328 tensor cores, compared to 36 and 144 respectively on the mobile card, indicate substantially higher capacity for ray tracing and AI acceleration workloads. The PCIe 5.0 x16 interface provides twice the lane width and a newer generation compared to the RTX 4070 Mobile's PCIe 4.0 x8 connection, reducing data transfer bottlenecks in server environments.

The RTX 4070 Mobile wins in the deployment flexibility category. Its 115 W TDP with no external power connectors allows integration into portable devices, and its "Portable Device Dependent" display outputs mean it can drive displays directly. The server card has no display outputs, making it unsuitable for any workload requiring local visual output.

The mobile card's benchmark records give it a measurable performance baseline. Its average score of 27,435 and 73rd percentile ranking show it competes with desktop-class GPUs like the RTX 3090 and RX 6700 XT. The server card has no such records, leaving its real-world performance unquantified in the database.

For server deployments requiring maximum compute density and memory capacity, the RTX PRO 4500 Blackwell Server is the clear choice based on specifications. For mobile workstations and laptops needing GPU acceleration with modest power draw and direct display output, the RTX 4070 Mobile provides the appropriate form factor and a verified benchmark track record.