ATI Radeon IGP 340M vs GeForce 820A

Primary details

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

Place in the ranking	1043	1577
Place by popularity	not in top-100	not in top-100
Power efficiency	6.76	no data
Architecture	Fermi 2.0 (2010−2014)	Rage 6 (2000−2007)
GPU code name	GF117	RS200
Market segment	Laptop	Laptop
Release date	17 March 2014 (11 years ago)	5 October 2002 (22 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	96	2
Core clock speed	775 MHz	183 MHz
Boost clock speed	no data	180 MHz
Number of transistors	585 million	30 million
Manufacturing process technology	28 nm	180 nm
Power consumption (TDP)	15 Watt	no data
Texture fill rate	12.40	0.37
Floating-point processing power	0.2976 TFLOPS	no data
ROPs	8	2
TMUs	16	2

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 2.0 x16	AGP 4x
Supplementary power connectors	no data	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	1 GB	System Shared
Memory bus width	64 Bit	System Shared
Memory clock speed	900 MHz	System Shared
Memory bandwidth	14.4 GB/s	no data
Shared memory	no data	+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors

No outputs

No outputs

API and SDK compatibility

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

DirectX	12 (11_0)	7.0
Shader Model	5.1	no data
OpenGL	4.6	1.4
OpenCL	1.1	N/A
Vulkan	N/A	N/A
CUDA	2.1	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Pros & cons summary

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Recency	17 March 2014	5 October 2002
Chip lithography	28 nm	180 nm

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