GeForce MX450 30.5W 8Gbps vs Radeon HD 7970

Primary details

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

Place in the ranking	431	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.12	no data
Power efficiency	3.84	no data
Architecture	GCN 1.0 (2012−2020)	Turing (2018−2022)
GPU code name	Tahiti	TU117
Market segment	Desktop	Laptop
Design	reference	no data
Release date	9 January 2012 (13 years ago)	25 August 2020 (5 years ago)
Launch price (MSRP)	$549	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

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	2048	896
Core clock speed	no data	1035 MHz
Boost clock speed	925 MHz	1275 MHz
Number of transistors	4,313 million	4,700 million
Manufacturing process technology	28 nm	12 nm
Power consumption (TDP)	300 Watt	31 Watt
Texture fill rate	118.4	71.40
Floating-point processing power	3.789 TFLOPS	2.285 TFLOPS
ROPs	32	32
TMUs	128	56
L1 Cache	512 KB	896 KB
L2 Cache	768 KB	512 KB

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).

Bus support	PCIe 2.1 x16	no data
Interface	PCIe 3.0 x16	PCIe 4.0 x4
Length	275 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	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	GDDR5	GDDR5
Maximum RAM amount	6 GB	2 GB
Memory bus width	384 Bit	64 Bit
Memory clock speed	1375 MHz	2000 MHz
Memory bandwidth	264 GB/s	64 GB/s
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 1.4a, 2x mini-DisplayPort 1.2	No outputs
Eyefinity	+	-
HDMI	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire	+	-
FreeSync	+	-

API and SDK support

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

DirectX	DirectX® 11	12 (12_1)
Shader Model	6.5 (5.1)	6.5
OpenGL	4.6	4.6
OpenCL	2.1 (1.2)	1.2
Vulkan	-	1.2
CUDA	-	7.5

Pros & cons summary

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Recency	9 January 2012	25 August 2020
Maximum RAM amount	6 GB	2 GB
Chip lithography	28 nm	12 nm
Power consumption (TDP)	300 Watt	31 Watt

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