Radeon Pro Vega 20 vs GeForce GT 640

Place in performance ranking	726	350
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	0.20	14.38
Architecture	Kepler (2012−2018)	Vega (2017−2021)
GPU code name	GK107	Vega Mobile
Market segment	Desktop	Mobile workstation
Release date	5 June 2012 (11 years ago)	15 November 2018 (5 years ago)
Launch price (MSRP)	$99	no data
Current price	$157 (1.6x MSRP)	$360

Cost-Effectiveness Evaluation

Performance to price ratio. The higher, the better.

Pro Vega 20 has 7090% better value for money than GT 640.

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	1280
Core clock speed	902 MHz	815 MHz
Boost clock speed	no data	1283 MHz
Number of transistors	1,270 million	no data
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	65 Watt	100 Watt
Texture fill rate	28.86	102.6
Floating-point performance	692.7 gflops	no data

Form Factor & Compatibility

Information on GeForce GT 640 and Radeon Pro Vega 20 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	no data	large
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	145 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	1x 6-pin + 1x 8-pin

Memory type	DDR3	HBM2
Maximum RAM amount	2 GB	4 GB
Memory bus width	128 Bit	1024 Bit
Memory clock speed	1782 MHz	1480 MHz
Memory bandwidth	28.51 GB/s	189.4 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	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	no data

API Compatibility

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

DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.3
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2.131
CUDA	3.0	no data

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 640 3.04

Pro Vega 20 13.69
+350%

Radeon Pro Vega 20 outperforms GeForce GT 640 by 350% 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 640 1177

Pro Vega 20 5299
+350%

Radeon Pro Vega 20 outperforms GeForce GT 640 by 350% 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 640 1560

Pro Vega 20 9044
+480%

Radeon Pro Vega 20 outperforms GeForce GT 640 by 480% 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 640 3750

Pro Vega 20 26839
+616%

Radeon Pro Vega 20 outperforms GeForce GT 640 by 616% in GeekBench 5 OpenCL.

GeekBench 5 Vulkan

Benchmark coverage: 5%

GT 640 3841

Pro Vega 20 26819
+598%

Radeon Pro Vega 20 outperforms GeForce GT 640 by 598% in GeekBench 5 Vulkan.

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	12−14 −408%	61 +408%
4K	9−10 −356%	41 +356%

Pros & Cons Summary

Performance score	3.04	13.69
Recency	5 June 2012	15 November 2018
Maximum RAM amount	2 GB	4 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	65 Watt	100 Watt