Radeon RX Vega 3 vs GeForce GT 640 OEM

Place in the ranking	935	779
Place by popularity	not in top-100	85
Power efficiency	2.33	13.61
Architecture	Kepler (2012−2018)	GCN 5.0 (2017−2020)
GPU code name	GK107	Picasso
Market segment	Desktop	Laptop
Release date	24 April 2012 (12 years ago)	6 January 2019 (5 years ago)

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	192
Core clock speed	797 MHz	300 MHz
Boost clock speed	no data	1001 MHz
Number of transistors	1,270 million	4,940 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	50 Watt	15 Watt
Texture fill rate	25.50	12.01
Floating-point processing power	0.6121 TFLOPS	0.3844 TFLOPS
ROPs	16	4
TMUs	32	12

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	PCIe 3.0 x16	IGP
Length	145 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	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	System Shared
Maximum RAM amount	2 GB	System Shared
Memory bus width	128 Bit	System Shared
Memory clock speed	891 MHz	System Shared
Memory bandwidth	28.51 GB/s	no data
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	+	-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2.131
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

6−7

−100%

12
+100%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7

+0%

6−7

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	7 +0%	7 +0%
Assassin's Creed Valhalla	6 +0%	6 +0%
Battlefield 5	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	6 +0%	6 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	6−7 +0%	6−7 +0%
Far Cry New Dawn	8−9 +0%	8−9 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
Hitman 3	5 +0%	5 +0%
Horizon Zero Dawn	21−24 +0%	21−24 +0%
Metro Exodus	7 +0%	7 +0%
Red Dead Redemption 2	6 +0%	6 +0%
Shadow of the Tomb Raider	12−14 +0%	12−14 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
High Preset

Assassin's Creed Odyssey	9−10 +0%	9−10 +0%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Battlefield 5	5−6 +0%	5−6 +0%
Call of Duty: Modern Warfare	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	6−7 +0%	6−7 +0%
Far Cry New Dawn	8−9 +0%	8−9 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
Hitman 3	8−9 +0%	8−9 +0%
Horizon Zero Dawn	21−24 +0%	21−24 +0%
Metro Exodus	3−4 +0%	3−4 +0%
Red Dead Redemption 2	7−8 +0%	7−8 +0%
Shadow of the Tomb Raider	11 +0%	11 +0%
The Witcher 3: Wild Hunt	17 +0%	17 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	9−10 +0%	9−10 +0%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	7−8 +0%	7−8 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	6−7 +0%	6−7 +0%
Forza Horizon 4	16−18 +0%	16−18 +0%
Hitman 3	8−9 +0%	8−9 +0%
Horizon Zero Dawn	9 +0%	9 +0%
Shadow of the Tomb Raider	9 +0%	9 +0%
The Witcher 3: Wild Hunt	4 +0%	4 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Epic Preset

Red Dead Redemption 2

7−8

+0%

7−8

+0%

1440p
High Preset

Battlefield 5	5−6 +0%	5−6 +0%
Far Cry New Dawn	4−5 +0%	4−5 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	3−4 +0%	3−4 +0%
Hitman 3	8−9 +0%	8−9 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
The Witcher 3: Wild Hunt	2−3 +0%	2−3 +0%
Watch Dogs: Legion	18−20 +0%	18−20 +0%

1440p
Epic Preset

Red Dead Redemption 2

6−7

+0%

6−7

+0%

4K
High Preset

Battlefield 5	1−2 +0%	1−2 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Forza Horizon 4	0−1	0−1
Watch Dogs: Legion	1−2 +0%	1−2 +0%

4K
Epic Preset

Red Dead Redemption 2

4−5

+0%

4−5

+0%

This is how GT 640 OEM and RX Vega 3 compete in popular games:

RX Vega 3 is 100% faster in 1080p

All in all, in popular games:

there's a draw in 61 test (100%)

Pros & cons summary

Performance score	1.70	2.98
Recency	24 April 2012	6 January 2019
Chip lithography	28 nm	14 nm
Power consumption (TDP)	50 Watt	15 Watt

RX Vega 3 has a 75.3% higher aggregate performance score, an age advantage of 6 years, a 100% more advanced lithography process, and 233.3% lower power consumption.

The Radeon RX Vega 3 is our recommended choice as it beats the GeForce GT 640 OEM in performance tests.

Be aware that GeForce GT 640 OEM is a desktop card while Radeon RX Vega 3 is a notebook one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.