ATI Mobility Radeon HD 5450 vs HD 7950

Primary details

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

Place in the ranking	454	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.17	no data
Power efficiency	4.37	no data
Architecture	GCN 1.0 (2012−2020)	TeraScale 2 (2009−2015)
GPU code name	Tahiti	Park
Market segment	Desktop	Laptop
Design	reference	no data
Release date	31 January 2012 (13 years ago)	7 January 2010 (15 years ago)
Launch price (MSRP)	$449	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	1792	80
Compute units	28	no data
Core clock speed	no data	650 MHz
Boost clock speed	1250 MHz	no data
Number of transistors	4,313 million	292 million
Manufacturing process technology	28 nm	40 nm
Power consumption (TDP)	200 Watt	11 Watt
Texture fill rate	89.60	5.200
Floating-point processing power	2.867 TFLOPS	0.104 TFLOPS
ROPs	32	4
TMUs	112	8
L1 Cache	448 KB	8 KB
L2 Cache	768 KB	128 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 3.0 x16	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	267 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	GDDR3
Maximum RAM amount	3 GB	1 GB
Memory bus width	384 Bit	64 Bit
Memory clock speed	1250 MHz	667 MHz
Memory bandwidth	240 GB/s	10.67 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, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
Number of Eyefinity displays	6	no data
HDMI	+	-

Supported technologies

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

AppAcceleration	+	-
CrossFire	+	-
FreeSync	+	-
PowerTune	+	-
ZeroCore	+	-

API and SDK support

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

DirectX	DirectX® 11	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.6	4.4
OpenCL	1.2	1.2
Vulkan	-	N/A

Pros & cons summary

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Recency	31 January 2012	7 January 2010
Maximum RAM amount	3 GB	1 GB
Chip lithography	28 nm	40 nm
Power consumption (TDP)	200 Watt	11 Watt

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