Radeon HD 7950 Vs R9 280X [in 3 Benchmarks] - Technical City

Primary details

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

Place in the ranking	455	406
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.17	4.89
Power efficiency	4.38	4.29
Architecture	GCN 1.0 (2012−2020)	GCN 1.0 (2012−2020)
GPU code name	Tahiti	Tahiti
Market segment	Desktop	Desktop
Design	reference	reference
Release date	31 January 2012 (13 years ago)	8 October 2013 (12 years ago)
Launch price (MSRP)	$449	$299

Cost-effectiveness evaluation

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

R9 280X has 125% better value for money than HD 7950.

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	2048
Compute units	28	no data
Boost clock speed	1250 MHz	1000 MHz
Number of transistors	4,313 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	200 Watt	250 Watt
Texture fill rate	89.60	128.0
Floating-point processing power	2.867 TFLOPS	4.096 TFLOPS
ROPs	32	32
TMUs	112	128
L1 Cache	448 KB	512 KB
L2 Cache	768 KB	768 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	PCIe 3.0
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	275 mm
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	1 x 6-pin + 1 x 8-pin

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	3 GB	3 GB
Memory bus width	384 Bit	384 Bit
Memory clock speed	1250 MHz	no data
Memory bandwidth	240 GB/s	288 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	2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity	+	+
Number of Eyefinity displays	6	no data
HDMI	+	+
DisplayPort support	-	+

Supported technologies

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

AppAcceleration	+	+
CrossFire	+	+
FreeSync	+	+
HD3D	-	+
LiquidVR	-	+
PowerTune	+	-
TressFX	-	+
TrueAudio	-	+
ZeroCore	+	-
UVD	-	+
DDMA audio	no data	+

API and SDK support

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

DirectX	DirectX® 11	DirectX® 12
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	-	+