GeForce 8400 vs Radeon HD 7640G
Aggregate performance score
We've compared Radeon HD 7640G with GeForce 8400, including specs and performance data.
HD 7640G outperforms 8400 by a whopping 463% 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 | 1152 | 1476 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.36 | 0.59 |
| Architecture | TeraScale 3 (2010−2013) | Tesla (2006−2010) |
| GPU code name | Devastator Lite | G98 |
| Market segment | Laptop | Desktop |
| Release date | 15 May 2012 (14 years ago) | 4 December 2007 (18 years ago) |
| Launch price (MSRP) | no data | $69.78 |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 256 | 8 |
| Core clock speed | 496 MHz | 540 MHz |
| Boost clock speed | 685 MHz | no data |
| Number of transistors | 1,303 million | 210 million |
| Manufacturing process technology | 32 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
| Texture fill rate | 10.96 | 4.320 |
| Floating-point processing power | 0.3507 TFLOPS | 0.0208 TFLOPS |
| ROPs | 8 | 4 |
| TMUs | 16 | 8 |
| L2 Cache | no data | 16 KB |
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 2.0 x16 |
| 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 | DDR2 |
| Maximum RAM amount | System Shared | 256 MB |
| Memory bus width | System Shared | 64 Bit |
| Memory clock speed | System Shared | 500 MHz |
| Memory bandwidth | no data | 8 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 VGA, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
| Shader Model | 5.0 | 4.0 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | 1.1 |
Synthetic benchmarks
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 | 10
+900%
| 1−2
−900%
|
Cost per frame, $
| 1080p | no data | 69.78 |
FPS performance in popular games
Full HD
Low
| Cyberpunk 2077 | 2−3 | 0−1 |
| Palworld | 4−5 | 0−1 |
Full HD
Medium
| Battlefield 5 | 0−1 | 0−1 |
| Cyberpunk 2077 | 2−3 | 0−1 |
| Far Cry 5 | 1−2 | 0−1 |
| Fortnite | 2−3 | 0−1 |
| Forza Horizon 4 | 6−7
+500%
|
1−2
−500%
|
| Palworld | 4−5 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+800%
|
1−2
−800%
|
| Valorant | 30−35
+520%
|
5−6
−520%
|
Full HD
High
| Battlefield 5 | 0−1 | 0−1 |
| Counter-Strike: Global Offensive | 24−27
+550%
|
4−5
−550%
|
| Cyberpunk 2077 | 2−3 | 0−1 |
| Dota 2 | 14−16
+650%
|
2−3
−650%
|
| Far Cry 5 | 1−2 | 0−1 |
| Fortnite | 2−3 | 0−1 |
| Forza Horizon 4 | 6−7
+500%
|
1−2
−500%
|
| Metro Exodus | 1−2 | 0−1 |
| Palworld | 4−5 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+800%
|
1−2
−800%
|
| The Witcher 3: Wild Hunt | 7−8
+600%
|
1−2
−600%
|
| Valorant | 30−35
+520%
|
5−6
−520%
|
Full HD
Ultra
| Battlefield 5 | 0−1 | 0−1 |
| Cyberpunk 2077 | 2−3 | 0−1 |
| Dota 2 | 14−16
+650%
|
2−3
−650%
|
| Far Cry 5 | 1−2 | 0−1 |
| Forza Horizon 4 | 6−7
+500%
|
1−2
−500%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 9−10
+800%
|
1−2
−800%
|
| The Witcher 3: Wild Hunt | 7−8
+600%
|
1−2
−600%
|
| Valorant | 30−35
+520%
|
5−6
−520%
|
Full HD
Epic
| Fortnite | 2−3 | 0−1 |
| Palworld | 4−5 | 0−1 |
1440p
High
| Counter-Strike 2 | 3−4 | 0−1 |
| Counter-Strike: Global Offensive | 7−8
+600%
|
1−2
−600%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 10−12
+1000%
|
1−2
−1000%
|
| Valorant | 2−3 | 0−1 |
1440p
Ultra
| Cyberpunk 2077 | 0−1 | 0−1 |
| Far Cry 5 | 0−1 | 0−1 |
| Forza Horizon 4 | 2−3 | 0−1 |
| The Witcher 3: Wild Hunt | 2−3 | 0−1 |
1440p
Epic
| Fortnite | 1−2 | 0−1 |
| Palworld | 1−2 | 0−1 |
4K
High
| Grand Theft Auto V | 14−16
+650%
|
2−3
−650%
|
| Valorant | 7−8
+600%
|
1−2
−600%
|
4K
Ultra
| PLAYERUNKNOWN'S BATTLEGROUNDS | 2−3 | 0−1 |
4K
Epic
| Fortnite | 2−3 | 0−1 |
This is how HD 7640G and GeForce 8400 compete in popular games:
- HD 7640G is 900% faster in 1080p
Pros & cons summary
| Performance score | 1.07 | 0.19 |
| Recency | 15 May 2012 | 4 December 2007 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
HD 7640G has a 463% higher aggregate performance score, an age advantage of 4 years, and a 103% more advanced lithography process.
GeForce 8400, on the other hand, has 40% lower power consumption.
The Radeon HD 7640G is our recommended choice as it beats the GeForce 8400 in performance tests.
Be aware that Radeon HD 7640G is a notebook graphics card while GeForce 8400 is a desktop one.
Other comparisons
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