GeForce GT 640M vs Radeon R7 384 Cores Kaveri
If you are going to buy a new graphics card and are choosing between GeForce GT 640M and Radeon R7 384 Cores Kaveri, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GT 640M stacks up against Radeon R7 384 Cores Kaveri, check out specs charts below.
Radeon R7 384 Cores Kaveri
GeForce GT 640M is a Laptop Graphics Card
Note: GeForce GT 640M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GT 640M here:
Main Specs
GeForce GT 640M | Radeon R7 384 Cores Kaveri | |
Power consumption (TDP) | 32 Watt | |
Interface | PCIe 3.0 x16 | |
Memory type | DDR3\GDDR5 | |
Maximum RAM amount | 2 GB | |
Display Connectors | No outputs | |
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- GeForce GT 640M is used in Laptops, and Radeon R7 384 Cores Kaveri - in Desktops.
- GeForce GT 640M is build with Kepler architecture, and Radeon R7 384 Cores Kaveri - with GCN.
- GeForce GT 640M and Radeon R7 384 Cores Kaveri are manufactured by 28 nm process technology.
Game benchmarks
high / 1080p | 0−1 | 7−8 |
ultra / 1080p | 0−1 | 4−5 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 10−12 | 18−20 |
medium / 1080p | 2−3 | 9−10 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Assassin's Creed Odyssey is 133% more, than GeForce GT 640M. | ||
high / 1080p | − | 12−14 |
ultra / 1080p | 3−4 | 10−12 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 12−14 | 27−30 |
medium / 1080p | 4−5 | 14−16 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Battlefield 5 is 157% more, than GeForce GT 640M. | ||
low / 768p | 50−55 | 45−50 |
high / 1080p | 45−50 | 45−50 |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of GeForce GT 640M in Call of Duty: Warzone is 6% more, than Radeon R7 384 Cores Kaveri. | ||
low / 768p | 110−120 | 140−150 |
medium / 768p | 85−90 | 110−120 |
ultra / 1080p | 35−40 | 55−60 |
QHD / 1440p | − | 30−35 |
4K / 2160p | 10−11 | 27−30 |
high / 768p | 55−60 | 85−90 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Counter-Strike: Global Offensive is 40% more, than GeForce GT 640M. | ||
low / 768p | 70−75 | 55−60 |
ultra / 1080p | 12−14 | 21−24 |
medium / 1080p | 45−50 | 45−50 |
The average gaming FPS of GeForce GT 640M in Cyberpunk 2077 is 4% more, than Radeon R7 384 Cores Kaveri. | ||
low / 768p | 70−75 | 85−90 |
medium / 768p | 40−45 | 60−65 |
ultra / 1080p | 18−20 | 35−40 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Dota 2 is 40% more, than GeForce GT 640M. | ||
high / 1080p | 2−3 | 9−10 |
ultra / 1080p | 2−3 | 8−9 |
4K / 2160p | 0−1 | 4−5 |
low / 720p | 9−10 | 21−24 |
medium / 1080p | 3−4 | 10−11 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Far Cry 5 is 200% more, than GeForce GT 640M. | ||
high / 1080p | − | 16−18 |
ultra / 1080p | 5−6 | 10−12 |
QHD / 1440p | 1−2 | − |
low / 720p | 45−50 | 65−70 |
medium / 1080p | 7−8 | 24−27 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Fortnite is 70% more, than GeForce GT 640M. | ||
high / 1080p | 2−3 | 12−14 |
ultra / 1080p | − | 12−14 |
QHD / 1440p | 0−1 | 2−3 |
low / 720p | 14−16 | 27−30 |
medium / 1080p | 5−6 | 14−16 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Forza Horizon 4 is 157% more, than GeForce GT 640M. | ||
low / 768p | 40−45 | 55−60 |
medium / 768p | − | 45−50 |
high / 1080p | 3−4 | 14−16 |
ultra / 1080p | 2−3 | 7−8 |
QHD / 1440p | 0−1 | 0−1 |
medium / 720p | 30−35 | − |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Grand Theft Auto V is 62% more, than GeForce GT 640M. | ||
high / 1080p | 1−2 | 5−6 |
ultra / 1080p | 0−1 | 3−4 |
4K / 2160p | 0−1 | 0−1 |
low / 720p | 2−3 | 14−16 |
medium / 1080p | 2−3 | 7−8 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Metro Exodus is 350% more, than GeForce GT 640M. | ||
low / 768p | 85−90 | 95−100 |
high / 1080p | 55−60 | 90−95 |
ultra / 1080p | − | 80−85 |
medium / 1080p | − | 95−100 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Minecraft is 31% more, than GeForce GT 640M. | ||
high / 1080p | 14−16 | 16−18 |
ultra / 1080p | 12−14 | 14−16 |
low / 720p | 24−27 | 35−40 |
medium / 1080p | 14−16 | 18−20 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in PLAYERUNKNOWN'S BATTLEGROUNDS is 29% more, than GeForce GT 640M. | ||
ultra / 1080p | 3−4 | 8−9 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 3−4 | 14−16 |
medium / 1080p | − | 10−12 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in Red Dead Redemption 2 is 266% more, than GeForce GT 640M. | ||
low / 768p | 7−8 | 27−30 |
medium / 768p | 6−7 | 18−20 |
high / 1080p | 3−4 | 10−11 |
ultra / 1080p | − | 7−8 |
4K / 2160p | 0−1 | 6−7 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in The Witcher 3: Wild Hunt is 280% more, than GeForce GT 640M. | ||
low / 768p | 70−75 | 85−90 |
medium / 768p | 35−40 | 45−50 |
ultra / 1080p | 12−14 | 21−24 |
high / 768p | 27−30 | 35−40 |
The average gaming FPS of Radeon R7 384 Cores Kaveri in World of Tanks is 29% more, than GeForce GT 640M. |
Full Specs
GeForce GT 640M | Radeon R7 384 Cores Kaveri | |
Architecture | Kepler | GCN |
Code name | N13P-GS | Kaveri Spectre |
Type | Laptop | Desktop |
Release date | 22 March 2012 | 14 January 2014 |
Pipelines | 384 | 384 |
Core clock speed | 720 MHz | |
Boost Clock | 645 MHz | |
Transistor count | 1,270 million | |
Manufacturing process technology | 28 nm | 28 nm |
Floating-point performance | 480.0 gflops | |
Memory bus width | 128bit | |
Memory clock speed | 1800 - 4000 MHz | |
Shared memory | - | + |
DirectX | 12 API | DirectX 12 (FL 12_0), Shader 5.2 |
Shader Model | 5.1 | |
OpenGL | 4.5 | |
OpenCL | 1.1 | |
Vulkan | 1.1.126 | |
CUDA | + | |
CUDA cores | 384 | |
Bus support | PCI Express 2.0, PCI Express 3.0 | |
HDMI | + | |
HDCP | + | |
Maximum VGA resolution | Up to 2048x1536 | |
3D Blu-Ray | + | |
Bitcoin / BTC (SHA256) | 18 Mh/s | |
Laptop size | medium sized | |
Optimus | + | |
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