Polaris 31 vs Radeon R7 340 OEM

Primary details

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

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	GCN 1.0 (2012−2020)	GCN 4.0 (2016−2020)
GPU code name	Oland	Polaris 31
Market segment	Desktop	Desktop
Release date	5 May 2015 (9 years ago)	no data
Current price	no data	$18.98

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	896
Core clock speed	730 MHz	no data
Boost clock speed	780 MHz	no data
Number of transistors	950 million	3,000 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	50 Watt	no data
Texture fill rate	18.72	no data
Floating-point performance	599.0 gflops	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).

Interface	PCIe 3.0 x8	no data
Width	1-slot	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	DDR3	no data
Maximum RAM amount	2 GB	no data
Memory bus width	128 Bit	no data
Memory clock speed	1800 MHz	no data
Memory bandwidth	28.8 GB/s	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 VGA	no data
HDMI	+	no data

API compatibility

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

DirectX	12 (11_1)	12 (12_0)
Shader Model	5.1	6.7
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.2.131	1.3

Pros & cons summary

---

Chip lithography

28 nm

14 nm

---

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.

---