Radeon R5 A320 vs RX Vega 64

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Primary details

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

Place in the ranking127not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation23.00no data
Power efficiency8.73no data
ArchitectureGCN 5.0 (2017−2020)GCN 1.0 (2011−2020)
GPU code nameVega 10Jet
Market segmentDesktopDesktop
Release date7 August 2017 (7 years ago)2015 (9 years ago)
Launch price (MSRP)$499 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores4096320
Core clock speed1247 MHz750 MHz
Boost clock speed1546 MHz825 MHz
Number of transistors12,500 million690 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)295 Wattno data
Texture fill rate395.816.50
Floating-point processing power12.66 TFLOPSno data
ROPs648
TMUs25620

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).

InterfacePCIe 3.0 x16PCIe 3.0 x8
Length279 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinno 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 typeHBM2DDR3
Maximum RAM amount8 GB1 GB
Memory bus width2048 Bit64 Bit
Memory clock speed945 MHz2 GB/s
Memory bandwidth483.8 GB/s16 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 Connectors1x HDMI, 3x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 (12_1)12 (11_1)
Shader Model6.46.5 (5.1)
OpenGL4.64.6
OpenCL2.02.1 (1.2)
Vulkan1.1.1251.2.170

Pros & cons summary


Maximum RAM amount 8 GB 1 GB
Chip lithography 14 nm 28 nm

RX Vega 64 has a 700% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX Vega 64 and Radeon R5 A320. We've got no test results to judge.


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

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AMD Radeon RX Vega 64
Radeon RX Vega 64
AMD Radeon R5 A320
Radeon R5 A320

Comparisons with similar GPUs

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Community ratings

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4.3 688 votes

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Questions & comments

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