Nvidia RTX Pro 4000 Laptop (Blackwell) vs A4500 Laptop
VS
Nvidia RTX Pro 4000 Laptop (Blackwell)
GB203-300-A1
Nvidia RTX A4500 Laptop
GA104
We compared two discrete laptop professional GPUs: the Nvidia RTX Pro 4000 Mobile (Blackwell) with 60 pipelines and 7680 shaders against the 3 years and 1 month older A4500 Mobile that utilizes 46 pipelines and 5888 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.
Review
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
AI/ML
Capabilities for machine learning and AI-related tasks
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score
Key differences
Reasons to consider the Nvidia RTX Pro 4000 Laptop (Blackwell)
- Performs significantly better (up to 2.4x) in 3DMark Steel Nomad Lite
- Shows 84% higher average frame rate in modern games at QHD resolution – 114 vs 62 FPS
- 65% higher maximum theoretical performance (28.8 vs 17.5 TFLOPS)
- Manufactured using a more efficient 5 nm process technology
- Has 75% higher memory bandwidth: 896 vs 512 GB/s
- Achieves 66% more points in the GeekBench 6 Compute test (197K vs 119K)
- Features 56 more tensor cores for effective ML and AI workloads
- Has 30% more shading units (7680 vs 5888)
Reasons to consider the Nvidia RTX A4500 Laptop
- Supports error correction code (ECC) memory
Gaming Performance
Frame rate comparison across popular AAA titles at different resolutionsGames
| Forza Horizon 5 | 180 121 112 83 |
116 73 60 41 |
| The Witcher 3 | 197 167 122 66 |
131 104 74 40 |
| Counter-Strike 2 | 275 213 152 84 |
190 141 103 50 |
| Far Cry 6 | 148 136 117 72 |
98 89 70 37 |
| Hogwarts Legacy | 122 100 82 45 |
70 57 43 24 |
| CoD: Modern Warfare III | 164 150 118 78 |
86 77 55 36 |
| Ghost of Tsushima | 110 93 77 48 |
69 53 37 21 |
| Cyberpunk 2077 | 140 127 85 38 |
72 68 39 17 |
| Shadow of the Tomb Raider | 229 213 159 85 |
116 104 75 38 |
| 1080p High | 174 | 105 |
| 1080p Ultra | 147 | 85 |
| 1440p Ultra | 114 | 62 |
| 4K Ultra | 67 | 34 |
| Margin of Error | High | High |
Benchmarks
Graphics cards’ performance in recent benchmarking apps3D Mark
Steel Nomad Lite Score
| Time Spy | 16906 | 9411 |
| Solar Bay | 49611 | 39802 |
| Port Royal | 12094 | 5881 |
| Fire Strike | 31680 | 25127 |
| Wild Life Extreme | - | 19741 |
| Night Raid | 131505 | 65181 |
GeekBench 6 OpenCL
GB6 Compute Score
| Background Blur | 267.1 img/sec | 158.7 img/sec |
| Face Detection | 165.5 img/sec | 115.8 img/sec |
| Horizon Detection | 8.72 Gpixels/sec | 5.95 Gpixels/sec |
| Edge Detection | 12.3 Gpixels/sec | 8.2 Gpixels/sec |
| Gaussian Blur | 12.6 Gpixels/sec | 5.85 Gpixels/sec |
| Feature Matching | 1.83 Gpixels/sec | 1.13 Gpixels/sec |
| Stereo Matching | 942.6 Gpixels/sec | 505.2 Gpixels/sec |
| Particle Physics | 25637.1 FPS | 15517.5 FPS |
| API | OpenCL | OpenCL |
Passmark Graphics
G3D Mark Score
| G2D Mark | 872 | 706 |
| DirectX 11 | 225 FPS | 132 FPS |
| DirectX 12 | 108 FPS | 76 FPS |
| GPU Compute | 7943 Ops/s | 6636 Ops/s |
Blender
Blender GPU
Artificial Intelligence Tests
Performance in machine learning and artificial intelligence tasksGeekBench 6 ML
GB6 ML Single Precision
GB6 ML Half Precision
GB6 ML Quantized
| Image Classification (SP) | 11723 | 6159 |
| Image Segmentation (HP) | 32142 | 12031 |
| Image Super Resolution (Q) | 30735 | 15490 |
| Face Detection (HP) | 58722 | 29614 |
| Pose Estimation (Q) | 129551 | 65582 |
| Text Classification (SP) | 3539 | 1918 |
| Machine Translation (HP) | 6242 | 3097 |
| Object Detection (SP) | 14495 | 8192 |
| Depth Estimation (Q) | 50690 | 23635 |
| Style Transfer (SP) | 231154 | 142647 |
| Framework | ONNX | ONNX |
| Backend | DirectML | DirectML |
Specifications
Technical specifications of Nvidia RTX Pro 4000 Laptop (Blackwell) and A4500 LaptopGeneral
| Vendor | Nvidia | Nvidia |
| Build | Discrete | Discrete |
| Released | March 18, 2025 | March 22, 2022 |
| Case | Laptop | Laptop |
| Purpose | Professional | Professional |
| Segment | High-end | High-end |
| Architecture | Blackwell 2.0 | Ampere |
| GPU Codename | GB203-300-A1 | GA104 |
| Successor | - | - Nvidia RTX Pro 4000 Laptop (Blackwell) |
| Recommended CPU | - Intel Core Ultra 9 275HX or above | - Intel Core i7 12800HX or above |
Laptop GPU ranking (5th and 29th place)
Graphics Processing Unit
| Base Clock | 975-1702 MHz (configurable) | 510-1035 MHz (configurable) |
| Boost Clock | 1702-1875 MHz (configurable) | 1035-1485 MHz (configurable) |
| Shading Units | 7680 | 5888 |
| Texture Mapping Units (TMUs) | 240 | 184 |
| Render Output Units (ROPs) | 96 | 96 |
| Compute Units (Pipelines) | 60 | 46 |
| Tensor Cores | 240 | 184 |
| Ray-tracing Cores | 60 | 46 |
| L1 Cache | 128KB per cluster | 128KB per cluster |
| L2 Cache | 64MB shared | 4MB shared |
| Instructions Per Cycle | 2 IPC | 2 IPC |
Raw Performance
| Pixel Fill Rate | 163-180 GPixel/s | 99-143 GPixel/s |
| Texture Fill Rate | 408-450 GTexel/s | 190-273 GTexel/s |
FLOPS (FP32)
Physical
| Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |
| TGP | 80-175 W (configurable) | 80-140 W (configurable) |
| Manufacturing | TSMC | Samsung |
| Fabrication Process | 5 nm | 8 nm |
| Die Size | 378 mm² | 392 mm² |
| Transistor Count | 45.6 billion | 17.4 billion |
| Transistor Density | 120.63 MTr/mm² | 44.39 MTr/mm² |
Memory
| Memory Type | GDDR7 | GDDR6 |
| Memory Size | 16 GB | 16 GB |
| Memory Clock | 1750 MHz | 2000 MHz |
| Effective Memory Speed | 28000 Mbps | 16000 Mbps |
| Bus | 256-bit | 256-bit |
| ECC | No | Yes |
Memory Bandwidth
API
| DirectX | 12.2 | 12 |
| Vulkan | 1.4 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| CUDA | 12 | 8.6 |
| Ray Tracing | Yes | Yes |
| DLSS | DLSS 4 | - |
| DisplayPort | 2.1b | 1.4a |
Cast your vote
Total votes: < 1