Iris Plus Graphics 645 vs RTX PRO 2000 Blackwell
Aggregate performance score
We've compared RTX PRO 2000 Blackwell with Iris Plus Graphics 645, including specs and performance data.
RTX PRO 2000 Blackwell outperforms Iris Plus Graphics 645 by a whopping 722% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 162 | 705 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 37.31 | 21.18 |
| Architecture | Blackwell 2.0 (2025) | Generation 9.5 (2016−2020) |
| GPU code name | GB206 | Coffee Lake GT3e |
| Market segment | Workstation | Laptop |
| Release date | 11 August 2025 (recently) | 7 October 2019 (5 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 4352 | 384 |
| Core clock speed | 790 MHz | 300 MHz |
| Boost clock speed | 1950 MHz | 1050 MHz |
| Number of transistors | 21,900 million | no data |
| Manufacturing process technology | 5 nm | 14 nm+++ |
| Power consumption (TDP) | 70 Watt | 15 Watt |
| Texture fill rate | 265.2 | 50.40 |
| Floating-point processing power | 16.97 TFLOPS | 0.8064 TFLOPS |
| ROPs | 64 | 6 |
| TMUs | 136 | 48 |
| Tensor Cores | 136 | no data |
| Ray Tracing Cores | 34 | no data |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 5.0 x8 | Ring Bus |
| Length | 167 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | None | no data |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR7 | System Shared |
| Maximum RAM amount | 16 GB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 1125 MHz | System Shared |
| Memory bandwidth | 288.0 GB/s | no data |
| Shared memory | - | + |
| Resizable BAR | + | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 4x mini-DisplayPort 2.1b | Portable Device Dependent |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | no data | + |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| Shader Model | 6.8 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | 1.3 |
| CUDA | 12.0 | - |
| DLSS | + | - |
Synthetic benchmark performance
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 210−220
+708%
| 26
−708%
|
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 8−9
+0%
|
8−9
+0%
|
| God of War | 10−11
+0%
|
10−11
+0%
|
Full HD
Medium Preset
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Cyberpunk 2077 | 8−9
+0%
|
8−9
+0%
|
| Far Cry 5 | 12−14
+0%
|
12−14
+0%
|
| Fortnite | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 5 | 10−12
+0%
|
10−12
+0%
|
| God of War | 10−11
+0%
|
10−11
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
High Preset
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Counter-Strike 2 | 18−20
+0%
|
18−20
+0%
|
| Counter-Strike: Global Offensive | 75−80
+0%
|
75−80
+0%
|
| Cyberpunk 2077 | 8−9
+0%
|
8−9
+0%
|
| Dota 2 | 29
+0%
|
29
+0%
|
| Far Cry 5 | 12−14
+0%
|
12−14
+0%
|
| Fortnite | 24−27
+0%
|
24−27
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| Forza Horizon 5 | 10−12
+0%
|
10−12
+0%
|
| God of War | 10−11
+0%
|
10−11
+0%
|
| Grand Theft Auto V | 14−16
+0%
|
14−16
+0%
|
| Metro Exodus | 8−9
+0%
|
8−9
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 12−14
+0%
|
12−14
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
Ultra Preset
| Battlefield 5 | 16−18
+0%
|
16−18
+0%
|
| Cyberpunk 2077 | 8−9
+0%
|
8−9
+0%
|
| Dota 2 | 27
+0%
|
27
+0%
|
| Far Cry 5 | 12−14
+0%
|
12−14
+0%
|
| Forza Horizon 4 | 20−22
+0%
|
20−22
+0%
|
| God of War | 10−11
+0%
|
10−11
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 16−18
+0%
|
16−18
+0%
|
| The Witcher 3: Wild Hunt | 12−14
+0%
|
12−14
+0%
|
| Valorant | 55−60
+0%
|
55−60
+0%
|
Full HD
Epic Preset
| Fortnite | 24−27
+0%
|
24−27
+0%
|
1440p
High Preset
| Counter-Strike 2 | 8−9
+0%
|
8−9
+0%
|
| Counter-Strike: Global Offensive | 30−35
+0%
|
30−35
+0%
|
| Grand Theft Auto V | 4−5
+0%
|
4−5
+0%
|
| Metro Exodus | 3−4
+0%
|
3−4
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 30−35
+0%
|
30−35
+0%
|
| Valorant | 45−50
+0%
|
45−50
+0%
|
1440p
Ultra Preset
| Battlefield 5 | 2−3
+0%
|
2−3
+0%
|
| Cyberpunk 2077 | 3−4
+0%
|
3−4
+0%
|
| Far Cry 5 | 7−8
+0%
|
7−8
+0%
|
| Forza Horizon 4 | 10−11
+0%
|
10−11
+0%
|
| God of War | 3−4
+0%
|
3−4
+0%
|
| The Witcher 3: Wild Hunt | 5−6
+0%
|
5−6
+0%
|
1440p
Epic Preset
| Fortnite | 8−9
+0%
|
8−9
+0%
|
4K
High Preset
| Grand Theft Auto V | 16−18
+0%
|
16−18
+0%
|
| Valorant | 21−24
+0%
|
21−24
+0%
|
4K
Ultra Preset
| Battlefield 5 | 0−1 | 0−1 |
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 14−16
+0%
|
14−16
+0%
|
| Far Cry 5 | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 5−6
+0%
|
5−6
+0%
|
| God of War | 3−4
+0%
|
3−4
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 4−5
+0%
|
4−5
+0%
|
4K
Epic Preset
| Fortnite | 4−5
+0%
|
4−5
+0%
|
This is how RTX PRO 2000 Blackwell and Iris Plus Graphics 645 compete in popular games:
- RTX PRO 2000 Blackwell is 708% faster in 1080p
All in all, in popular games:
- there's a draw in 60 tests (100%)
Pros & cons summary
| Performance score | 34.28 | 4.17 |
| Recency | 11 August 2025 | 7 October 2019 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 70 Watt | 15 Watt |
RTX PRO 2000 Blackwell has a 722.1% higher aggregate performance score, an age advantage of 5 years, and a 180% more advanced lithography process.
Iris Plus Graphics 645, on the other hand, has 366.7% lower power consumption.
The RTX PRO 2000 Blackwell is our recommended choice as it beats the Iris Plus Graphics 645 in performance tests.
Be aware that RTX PRO 2000 Blackwell is a workstation graphics card while Iris Plus Graphics 645 is a notebook one.
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