GeForce GT 520 vs GT 640M

Place in performance ranking	805	1103
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.23	0.01
Architecture	Kepler (2012−2018)	Fermi 2.0 (2010−2014)
GPU code name	N13P-GS	GF119
Market segment	Laptop	Desktop
Release date	22 March 2012 (12 years ago)	13 April 2011 (13 years ago)
Launch price (MSRP)	no data	$59
Current price	$310	$88 (1.5x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

GT 640M has 2200% better value for money than GT 520.

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	384	48
CUDA cores	384	48
Core clock speed	Up to 625 MHz	810 MHz
Boost clock speed	645 MHz	no data
Number of transistors	1,270 million	292 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	32 Watt	29 Watt
Maximum GPU temperature	no data	102 °C
Texture fill rate	Up to 20.0 billion/sec	6.5 billion/sec
Floating-point performance	480.0 gflops	155.52 gflops

Form factor & compatibility

Information on GeForce GT 640M and GeForce GT 520 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.

Laptop size	medium sized	no data
Bus support	PCI Express 2.0, PCI Express 3.0	16x PCI-E 2.0
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	no data	5.7" (14.5 cm)
Height	no data	2.7" (6.9 cm)
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	DDR3\GDDR5	DDR3
Maximum RAM amount	2 GB	1 GB (DDR3)
Memory bus width	128bit	64 Bit
Memory clock speed	1800 - 4000 MHz	900 MHz (DDR3)
Memory bandwidth	Up to 64.0 GB/s	14.4 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	Dual Link DVI-IHDMIVGA (optional)
Multi monitor support	no data	+
HDMI	+	+
HDCP	+	no data
Maximum VGA resolution	Up to 2048x1536	2048x1536
Audio input for HDMI	no data	Internal

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray	+	no data
Optimus	+	no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	12 API	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.5	4.2
OpenCL	1.1	1.1
Vulkan	1.1.126	N/A
CUDA	+	+

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.

GT 640M 2.37
+196%

GT 520 0.80

GT 640M outperforms GT 520 by 196% based on our aggregated benchmark results.

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%

GT 640M 919
+196%

GT 520 310

GT 640M outperforms GT 520 by 196% in Passmark.

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%

GT 640M 1225
+222%

GT 520 380

GT 640M outperforms GT 520 by 222% in 3DMark Fire Strike Graphics.

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Benchmark coverage: 9%

GT 640M 3190
+151%

GT 520 1271

GT 640M outperforms GT 520 by 151% in GeekBench 5 OpenCL.

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:

900p	24 +200%	8−9 −200%
Full HD	22 +214%	7−8 −214%
1200p	19 +217%	6−7 −217%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6
+400%

1−2

−400%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	10−12 +267%	3−4 −267%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	3−4 +200%	1−2 −200%
Far Cry New Dawn	2−3	0−1
Forza Horizon 4	5−6 +400%	1−2 −400%
Hitman 3	4−5 +300%	1−2 −300%
Horizon Zero Dawn	3−4 +200%	1−2 −200%
Red Dead Redemption 2	5−6 +400%	1−2 −400%
Shadow of the Tomb Raider	9−10 +200%	3−4 −200%
Watch Dogs: Legion	0−1	0−1

Full HD
High Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Battlefield 5	4−5 +300%	1−2 −300%
Call of Duty: Modern Warfare	10−12 +267%	3−4 −267%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	3−4 +200%	1−2 −200%
Far Cry New Dawn	2−3	0−1
Forza Horizon 4	5−6 +400%	1−2 −400%
Hitman 3	4−5 +300%	1−2 −300%
Horizon Zero Dawn	3−4 +200%	1−2 −200%
Metro Exodus	3−4 +200%	1−2 −200%
Red Dead Redemption 2	5−6 +400%	1−2 −400%
Shadow of the Tomb Raider	9−10 +200%	3−4 −200%
The Witcher 3: Wild Hunt	6−7 +200%	2−3 −200%
Watch Dogs: Legion	0−1	0−1

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Battlefield 5	4−5 +300%	1−2 −300%
Cyberpunk 2077	5−6 +400%	1−2 −400%
Far Cry 5	3−4 +200%	1−2 −200%
Far Cry New Dawn	2−3	0−1
Forza Horizon 4	5−6 +400%	1−2 −400%
The Witcher 3: Wild Hunt	6−7 +200%	2−3 −200%
Watch Dogs: Legion	0−1	0−1

1440p
High Preset

Call of Duty: Modern Warfare	4−5 +300%	1−2 −300%
Hitman 3	5−6 +400%	1−2 −400%
Horizon Zero Dawn	9−10 +200%	3−4 −200%
Metro Exodus	1−2	0−1
Red Dead Redemption 2	1−2	0−1
Shadow of the Tomb Raider	6−7 +200%	2−3 −200%

1440p
Ultra Preset

Cyberpunk 2077	1−2	0−1
Far Cry 5	4−5 +300%	1−2 −300%
The Witcher 3: Wild Hunt	2−3	0−1

4K
High Preset

Call of Duty: Modern Warfare	2−3	0−1
Hitman 3	2−3	0−1
Horizon Zero Dawn	7−8 +250%	2−3 −250%
Red Dead Redemption 2	1−2	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	1−2	0−1
Assassin's Creed Valhalla	1−2	0−1
Far Cry 5	3−4 +200%	1−2 −200%
Far Cry New Dawn	6−7 +200%	2−3 −200%

This is how GT 640M and GT 520 compete in popular games:

GT 640M is 200% faster in 900p
GT 640M is 214% faster in 1080p
GT 640M is 217% faster in 1200p

Pros & cons summary

Performance score	2.37	0.80
Recency	22 March 2012	13 April 2011
Maximum RAM amount	2 GB	1 GB (DDR3)
Chip lithography	28 nm	40 nm
Power consumption (TDP)	32 Watt	29 Watt