Radeon Steam Deck 8CU vs HD 8970M

Primary details

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

Place in the ranking	487	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	7.05	no data
Architecture	GCN 1.0 (2012−2020)	RDNA 2 (2022−2023)
GPU code name	Neptune	RDNA 2 Sephiroth
Market segment	Laptop	Laptop
Release date	14 May 2013 (12 years ago)	9 November 2023 (1 year 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	1280	512
Core clock speed	850 MHz	no data
Boost clock speed	900 MHz	1900 MHz
Number of transistors	2,800 million	no data
Manufacturing process technology	28 nm	6 nm
Power consumption (TDP)	100 Watt	no data
Texture fill rate	72.00	no data
Floating-point processing power	2.304 TFLOPS	no data
ROPs	32	no data
TMUs	80	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 x16	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	4 GB	no data
Memory bus width	256 Bit	no data
Memory clock speed	1200 MHz	no data
Memory bandwidth	153.6 GB/s	no data
Shared memory	-	+

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 data

API and SDK compatibility

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

DirectX	12 (11_1)	12_1
Shader Model	5.1	no data
OpenGL	4.6	no data
OpenCL	1.2	no data
Vulkan	1.2.131	-

Pros & cons summary

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Recency	14 May 2013	9 November 2023
Chip lithography	28 nm	6 nm

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