ATI Mobility Radeon X1800XT vs HD 7970M

Primary details

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

Place in the ranking	538	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	6.75	no data
Architecture	GCN 1.0 (2012−2020)	no data
GPU code name	Wimbledon	M58, R520
Market segment	Laptop	Laptop
Release date	24 April 2012 (14 years ago)	1 March 2006 (20 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	1280	24
Core clock speed	850 MHz	8 MHz
Boost clock speed	no data	550 MHz
Number of transistors	2,800 million	no data
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	100 Watt	no data
Texture fill rate	68.00	no data
Floating-point processing power	2.176 TFLOPS	no data
ROPs	32	no data
TMUs	80	no data
L1 Cache	320 KB	no data
L2 Cache	512 KB	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	large
Interface	MXM-B (3.0)	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	GDDR3
Maximum RAM amount	2 GB	no data
Memory bus width	256 Bit	256 Bit
Memory clock speed	1200 MHz	650 MHz
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 support

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

DirectX	12 (11_1)	GDDR3
Shader Model	5.1	no data
OpenGL	4.6	no data
OpenCL	1.2	no data
Vulkan	1.2.131	-

Pros & cons summary

---

Recency	24 April 2012	1 March 2006
Chip lithography	28 nm	90 nm