Radeon RX Vega 2 vs RX 640

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	616	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	7.25	no data
Architecture	GCN 4.0 (2016−2020)	Vega (2017−2020)
GPU code name	Polaris 23	Vega Raven Ridge
Market segment	Laptop	Laptop
Release date	13 May 2019 (5 years ago)	7 January 2018 (6 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	640	128
Core clock speed	1082 MHz	no data
Boost clock speed	1218 MHz	1100 MHz
Number of transistors	2,200 million	no data
Manufacturing process technology	14 nm	12 nm
Power consumption (TDP)	50 Watt	15 Watt
Texture fill rate	48.72	no data
Floating-point processing power	1.559 TFLOPS	no data
ROPs	16	no data
TMUs	40	no data

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	large	no data
Interface	PCIe 3.0 x8	no data
Supplementary power connectors	None	no data

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	GDDR5	no data
Maximum RAM amount	2 GB	no data
Memory bus width	64 Bit	no data
Memory clock speed	1500 MHz	no data
Memory bandwidth	48 GB/s	no data
Shared memory	-	-

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

no data

Supported technologies

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

FreeSync

+

-

API compatibility

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

DirectX	12 (12_0)	12_1
Shader Model	6.4	no data
OpenGL	4.6	no data
OpenCL	2.0	no data
Vulkan	1.2.131	-

Pros & cons summary

---

Recency	13 May 2019	7 January 2018
Chip lithography	14 nm	12 nm
Power consumption (TDP)	50 Watt	15 Watt

---

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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---