GeForce GT 640 OEM vs Radeon HD 7640G
Aggregate performance score
We've compared Radeon HD 7640G with GeForce GT 640 OEM, including specs and performance data.
GT 640 OEM outperforms HD 7640G by a considerable 43% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1060 | 937 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.34 | 2.34 |
| Architecture | TeraScale 3 (2010−2013) | Kepler (2012−2018) |
| GPU code name | Devastator Lite | GK107 |
| Market segment | Laptop | Desktop |
| Release date | 15 May 2012 (12 years ago) | 24 April 2012 (12 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 | 256 | 384 |
| Core clock speed | 496 MHz | 797 MHz |
| Boost clock speed | 685 MHz | no data |
| Number of transistors | 1,303 million | 1,270 million |
| Manufacturing process technology | 32 nm | 28 nm |
| Power consumption (TDP) | 35 Watt | 50 Watt |
| Texture fill rate | 10.96 | 25.50 |
| Floating-point processing power | 0.3507 TFLOPS | 0.6121 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 16 | 32 |
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).
| Laptop size | medium sized | no data |
| Interface | IGP | PCIe 3.0 x16 |
| Length | no data | 145 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | None |
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 | System Shared | DDR3 |
| Maximum RAM amount | System Shared | 2 GB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 891 MHz |
| Memory bandwidth | no data | 28.51 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 | 1x DVI, 1x HDMI, 1x DisplayPort |
| HDMI | - | + |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 (11_0) |
| Shader Model | 5.0 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | - | 3.0 |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 9−10
−33.3%
|
12−14
+33.3%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Elden Ring | 0−1 | 0−1 |
Full HD
Medium Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike 2 | 9−10
−33.3%
|
12−14
+33.3%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| Red Dead Redemption 2 | 6−7
−33.3%
|
8−9
+33.3%
|
Full HD
High Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike 2 | 9−10
−33.3%
|
12−14
+33.3%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Dota 2 | 1−2
+0%
|
1−2
+0%
|
| Elden Ring | 0−1 | 0−1 |
| Far Cry 5 | 10−11
−40%
|
14−16
+40%
|
| Fortnite | 5−6
−40%
|
7−8
+40%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| Grand Theft Auto V | 1−2
+0%
|
1−2
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−38.5%
|
18−20
+38.5%
|
| Red Dead Redemption 2 | 6−7
−33.3%
|
8−9
+33.3%
|
| The Witcher 3: Wild Hunt | 7−8
−42.9%
|
10−11
+42.9%
|
| World of Tanks | 24−27
−34.6%
|
35−40
+34.6%
|
Full HD
Ultra Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike 2 | 9−10
−33.3%
|
12−14
+33.3%
|
| Cyberpunk 2077 | 3−4
−33.3%
|
4−5
+33.3%
|
| Dota 2 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 10−11
−40%
|
14−16
+40%
|
| Forza Horizon 4 | 8−9
−25%
|
10−11
+25%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−38.5%
|
18−20
+38.5%
|
1440p
High Preset
| PLAYERUNKNOWN'S BATTLEGROUNDS | 7−8
−42.9%
|
10−11
+42.9%
|
| Red Dead Redemption 2 | 0−1 | 0−1 |
| World of Tanks | 6−7
−33.3%
|
8−9
+33.3%
|
1440p
Ultra Preset
| Counter-Strike 2 | 9−10
−33.3%
|
12−14
+33.3%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 5−6
−40%
|
7−8
+40%
|
| The Witcher 3: Wild Hunt | 2−3
+0%
|
2−3
+0%
|
| Valorant | 6−7
−33.3%
|
8−9
+33.3%
|
4K
High Preset
| Dota 2 | 14−16
−40%
|
21−24
+40%
|
| Grand Theft Auto V | 14−16
−40%
|
21−24
+40%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 3−4
−33.3%
|
4−5
+33.3%
|
| Red Dead Redemption 2 | 0−1 | 0−1 |
| The Witcher 3: Wild Hunt | 14−16
−40%
|
21−24
+40%
|
4K
Ultra Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Dota 2 | 14−16
−40%
|
21−24
+40%
|
| Far Cry 5 | 0−1 | 0−1 |
| Valorant | 1−2
+0%
|
1−2
+0%
|
Pros & cons summary
| Performance score | 1.19 | 1.70 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 35 Watt | 50 Watt |
HD 7640G has 42.9% lower power consumption.
GT 640 OEM, on the other hand, has a 42.9% higher aggregate performance score, and a 14.3% more advanced lithography process.
The GeForce GT 640 OEM is our recommended choice as it beats the Radeon HD 7640G in performance tests.
Be aware that Radeon HD 7640G is a notebook card while GeForce GT 640 OEM is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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