Radeon RX Vega M GL / 870 vs HD 7950 Mac Edition

Primary details

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

Place in the ranking	not rated	434
Place by popularity	not in top-100	not in top-100
Power efficiency	no data	15.01
Architecture	GCN 1.0 (2012−2020)	Vega (2017−2020)
GPU code name	Tahiti	Vega Kaby Lake-G
Market segment	Desktop	Laptop
Release date	7 March 2013 (13 years ago)	7 January 2018 (8 years ago)
Launch price (MSRP)	$449	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 cores	1792	1280
Core clock speed	800 MHz	931 MHz
Boost clock speed	no data	1011 MHz
Number of transistors	4,313 million	no data
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	200 Watt	65 Watt
Texture fill rate	89.60	no data
Floating-point processing power	2.867 TFLOPS	no data
ROPs	32	no data
TMUs	112	no data
L1 Cache	448 KB	no data
L2 Cache	768 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	no data	medium sized
Interface	PCIe 3.0 x16	no data
Length	279 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	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	HBM2
Maximum RAM amount	3 GB	4 GB
Memory bus width	384 Bit	no data
Memory clock speed	1250 MHz	no data
Memory bandwidth	240.0 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	1x DVI, 1x HDMI, 2x mini-DisplayPort	no data
HDMI	+	-

API and SDK support

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	7 March 2013	7 January 2018
Maximum RAM amount	3 GB	4 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	200 Watt	65 Watt