GeForce GT 640 OEM vs Radeon HD 7660D
Aggregate performance score
We've compared Radeon HD 7660D and GeForce GT 640 OEM, covering specs and all relevant benchmarks.
GT 640 OEM outperforms HD 7660D by a significant 27% 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 | 1075 | 985 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.09 | no data |
| Power efficiency | 0.93 | 2.36 |
| Architecture | TeraScale 3 (2010−2013) | Kepler (2012−2018) |
| GPU code name | Devastator | GK107 |
| Market segment | Desktop | Desktop |
| Release date | 2 October 2012 (12 years ago) | 24 April 2012 (13 years ago) |
| Launch price (MSRP) | $122 | no data |
Cost-effectiveness evaluation
The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.
Performance to price scatter graph
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 | 384 | 384 |
| Core clock speed | 800 MHz | 797 MHz |
| Boost clock speed | 800 MHz | no data |
| Number of transistors | 1,303 million | 1,270 million |
| Manufacturing process technology | 32 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 50 Watt |
| Texture fill rate | 19.20 | 25.50 |
| Floating-point processing power | 0.6144 TFLOPS | 0.6121 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 24 | 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).
| Interface | IGP | PCIe 3.0 x16 |
| Length | no data | 145 mm |
| Width | IGP | 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
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 | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
| HDMI | - | + |
API and SDK 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.
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 | 17
−23.5%
| 21−24
+23.5%
|
Cost per frame, $
| 1080p | 7.18 | no data |
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| God of War | 6−7
−16.7%
|
7−8
+16.7%
|
Full HD
Medium Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Fortnite | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 7−8
−14.3%
|
8−9
+14.3%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| God of War | 6−7
−16.7%
|
7−8
+16.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−11.1%
|
10−11
+11.1%
|
| Valorant | 30−35
−21.2%
|
40−45
+21.2%
|
Full HD
High Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Counter-Strike: Global Offensive | 54
−20.4%
|
65−70
+20.4%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 16−18
−12.5%
|
18−20
+12.5%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Fortnite | 3−4
+0%
|
3−4
+0%
|
| Forza Horizon 4 | 7−8
−14.3%
|
8−9
+14.3%
|
| Forza Horizon 5 | 0−1 | 0−1 |
| God of War | 6−7
−16.7%
|
7−8
+16.7%
|
| Grand Theft Auto V | 1−2
+0%
|
1−2
+0%
|
| Metro Exodus | 2−3
+0%
|
2−3
+0%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−11.1%
|
10−11
+11.1%
|
| The Witcher 3: Wild Hunt | 7−8
−14.3%
|
8−9
+14.3%
|
| Valorant | 30−35
−21.2%
|
40−45
+21.2%
|
Full HD
Ultra Preset
| Battlefield 5 | 1−2
+0%
|
1−2
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Dota 2 | 16−18
−12.5%
|
18−20
+12.5%
|
| Far Cry 5 | 2−3
+0%
|
2−3
+0%
|
| Forza Horizon 4 | 7−8
−14.3%
|
8−9
+14.3%
|
| God of War | 6−7
−16.7%
|
7−8
+16.7%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
−11.1%
|
10−11
+11.1%
|
| The Witcher 3: Wild Hunt | 7−8
−14.3%
|
8−9
+14.3%
|
| Valorant | 30−35
−21.2%
|
40−45
+21.2%
|
Full HD
Epic Preset
| Fortnite | 3−4
+0%
|
3−4
+0%
|
1440p
High Preset
| Counter-Strike 2 | 3−4
+0%
|
3−4
+0%
|
| Counter-Strike: Global Offensive | 8−9
−25%
|
10−11
+25%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 12−14
−23.1%
|
16−18
+23.1%
|
| Valorant | 4−5
−25%
|
5−6
+25%
|
1440p
Ultra Preset
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 1−2
+0%
|
1−2
+0%
|
| Forza Horizon 4 | 3−4
+0%
|
3−4
+0%
|
| The Witcher 3: Wild Hunt | 0−1 | 0−1 |
1440p
Epic Preset
| Fortnite | 2−3
+0%
|
2−3
+0%
|
4K
High Preset
| Grand Theft Auto V | 14−16
−20%
|
18−20
+20%
|
| Valorant | 6−7
−16.7%
|
7−8
+16.7%
|
4K
Ultra Preset
| Dota 2 | 1−2
+0%
|
1−2
+0%
|
| God of War | 0−1 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3
+0%
|
2−3
+0%
|
4K
Epic Preset
| Fortnite | 2−3
+0%
|
2−3
+0%
|
This is how HD 7660D and GT 640 OEM compete in popular games:
- GT 640 OEM is 24% faster in 1080p
Pros & cons summary
| Performance score | 1.22 | 1.55 |
| Recency | 2 October 2012 | 24 April 2012 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 50 Watt |
HD 7660D has an age advantage of 5 months.
GT 640 OEM, on the other hand, has a 27% higher aggregate performance score, a 14.3% more advanced lithography process, and 100% lower power consumption.
The GeForce GT 640 OEM is our recommended choice as it beats the Radeon HD 7660D in performance tests.
Other comparisons
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