GeForce GT 740 vs Iris Plus Graphics 640
Aggregate performance score
We've compared Iris Plus Graphics 640 with GeForce GT 740, including specs and performance data.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 666 | 665 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.70 | 0.19 |
| Architecture | Gen. 9.5 Kaby Lake (2015−2017) | Kepler (2012−2018) |
| GPU code name | Kaby Lake GT3e | GK107 |
| Market segment | Laptop | Desktop |
| Release date | 3 January 2017 (7 years ago) | 29 May 2014 (10 years ago) |
| Launch price (MSRP) | no data | $89 |
| Current price | $669 | $279 (3.1x MSRP) |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Iris Plus Graphics 640 has 268% better value for money than GT 740.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 48 | 384 |
| Core clock speed | 300 MHz | 993 MHz |
| Boost clock speed | 1050 MHz | no data |
| Number of transistors | 189 million | 1,270 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 15 Watt | 64 Watt |
| Texture fill rate | 52.80 | 31.78 |
| Floating-point performance | no data | 762.6 gflops |
Form factor & compatibility
Information on Iris Plus Graphics 640 and GeForce GT 740 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Interface | PCIe 3.0 x1 | PCIe 3.0 x16 |
| Length | no data | 145 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | 1x 6-pin |
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 | DDR3L/LPDDR3/DDR4 | GDDR5 |
| Maximum RAM amount | 32 GB | 4 GB |
| Memory bus width | 64/128 Bit | 128 Bit |
| Memory clock speed | System Shared | 5012 MHz |
| Memory bandwidth | no data | 80.19 GB/s |
| Shared memory | + | no data |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | No outputs | 2x DVI, 1x mini-HDMI |
| HDMI | no data | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (11_0) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.1.103 | 1.1.126 |
| CUDA | no data | 3.0 |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.
Benchmark coverage: 25%
3DMark Fire Strike Graphics
Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.
Benchmark coverage: 14%
GeForce GT 740 outperforms Iris Plus Graphics 640 by 40% in 3DMark Fire Strike Graphics.
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 | 24
+0%
| 24−27
+0%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 8−9
+0%
|
8−9
+0%
|
| Assassin's Creed Valhalla | 2−3
+0%
|
2−3
+0%
|
| Battlefield 5 | 8−9
+0%
|
8−9
+0%
|
| Call of Duty: Modern Warfare | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Far Cry 5 | 8−9
+0%
|
8−9
+0%
|
| Far Cry New Dawn | 10−11
−10%
|
10−12
+10%
|
| Forza Horizon 4 | 16−18
−6.3%
|
16−18
+6.3%
|
| Hitman 3 | 8−9
+0%
|
8−9
+0%
|
| Horizon Zero Dawn | 21−24
−4.8%
|
21−24
+4.8%
|
| Metro Exodus | 4−5
+0%
|
4−5
+0%
|
| Red Dead Redemption 2 | 10−11
+0%
|
10−11
+0%
|
| Shadow of the Tomb Raider | 14−16
+0%
|
14−16
+0%
|
| Watch Dogs: Legion | 18−20
−5.6%
|
18−20
+5.6%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 8−9
+0%
|
8−9
+0%
|
| Assassin's Creed Valhalla | 2−3
+0%
|
2−3
+0%
|
| Battlefield 5 | 8−9
+0%
|
8−9
+0%
|
| Call of Duty: Modern Warfare | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Far Cry 5 | 8−9
+0%
|
8−9
+0%
|
| Far Cry New Dawn | 10−11
−10%
|
10−12
+10%
|
| Forza Horizon 4 | 16−18
−6.3%
|
16−18
+6.3%
|
| Hitman 3 | 8−9
+0%
|
8−9
+0%
|
| Horizon Zero Dawn | 21−24
−4.8%
|
21−24
+4.8%
|
| Metro Exodus | 4−5
+0%
|
4−5
+0%
|
| Red Dead Redemption 2 | 10−11
+0%
|
10−11
+0%
|
| Shadow of the Tomb Raider | 14−16
+0%
|
14−16
+0%
|
| The Witcher 3: Wild Hunt | 9−10
+0%
|
9−10
+0%
|
| Watch Dogs: Legion | 18−20
−5.6%
|
18−20
+5.6%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 8−9
+0%
|
8−9
+0%
|
| Assassin's Creed Valhalla | 2−3
+0%
|
2−3
+0%
|
| Call of Duty: Modern Warfare | 9−10
+0%
|
9−10
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Far Cry 5 | 8−9
+0%
|
8−9
+0%
|
| Forza Horizon 4 | 16−18
−6.3%
|
16−18
+6.3%
|
| Horizon Zero Dawn | 21−24
−4.8%
|
21−24
+4.8%
|
| Shadow of the Tomb Raider | 14−16
+0%
|
14−16
+0%
|
| The Witcher 3: Wild Hunt | 4−5
+0%
|
4
+0%
|
| Watch Dogs: Legion | 18−20
−5.6%
|
18−20
+5.6%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 10−11
+0%
|
10−11
+0%
|
1440p
High Preset
| Battlefield 5 | 7−8
+0%
|
7−8
+0%
|
| Far Cry New Dawn | 5−6
+0%
|
5−6
+0%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 3−4
+0%
|
3−4
+0%
|
| Call of Duty: Modern Warfare | 6−7
+0%
|
6−7
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 6−7
+0%
|
6−7
+0%
|
| Forza Horizon 4 | 6−7
+0%
|
6−7
+0%
|
| Hitman 3 | 8−9
+0%
|
8−9
+0%
|
| Horizon Zero Dawn | 9−10
+0%
|
9−10
+0%
|
| The Witcher 3: Wild Hunt | 3−4
+0%
|
3−4
+0%
|
| Watch Dogs: Legion | 1−2
+0%
|
1−2
+0%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 7−8
+0%
|
7−8
+0%
|
4K
High Preset
| Battlefield 5 | 2−3
+0%
|
2−3
+0%
|
| Far Cry New Dawn | 2−3
+0%
|
2−3
+0%
|
| Horizon Zero Dawn | 4−5
+0%
|
4−5
+0%
|
| Shadow of the Tomb Raider | 0−1 | 0−1 |
4K
Ultra Preset
| Assassin's Creed Odyssey | 3−4
+0%
|
3−4
+0%
|
| Assassin's Creed Valhalla | 1−2
+0%
|
1−2
+0%
|
| Call of Duty: Modern Warfare | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Forza Horizon 4 | 2−3
+0%
|
2−3
+0%
|
| Horizon Zero Dawn | 4−5
+0%
|
4−5
+0%
|
| Metro Exodus | 6−7
+0%
|
6−7
+0%
|
| Watch Dogs: Legion | 1−2
+0%
|
1−2
+0%
|
4K
Epic Preset
| Red Dead Redemption 2 | 5−6
+0%
|
5−6
+0%
|
This is how Iris Plus Graphics 640 and GT 740 compete in popular games:
- A tie in 1080p
Pros & cons summary
| Recency | 3 January 2017 | 29 May 2014 |
| Maximum RAM amount | 32 GB | 4 GB |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 15 Watt | 64 Watt |
Given the minimal performance differences, no clear winner can be declared between Iris Plus Graphics 640 and GeForce GT 740.
Be aware that Iris Plus Graphics 640 is a notebook card while GeForce GT 740 is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
