Iris Xe Graphics G4 vs Radeon R9 280X

Primary details

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

Place in the ranking	393	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.81	no data
Power efficiency	4.25	no data
Architecture	GCN 1.0 (2012−2020)	Generation 12.1 (2020−2021)
GPU code name	Tahiti	Tiger Lake GT2
Market segment	Desktop	Laptop
Design	reference	no data
Release date	8 October 2013 (11 years ago)	2 September 2020 (4 years ago)
Launch price (MSRP)	$299	no data

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

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	384
Core clock speed	no data	300 MHz
Boost clock speed	1000 MHz	1100 MHz
Number of transistors	4,313 million	no data
Manufacturing process technology	28 nm	10 nm
Power consumption (TDP)	250 Watt	15 Watt
Texture fill rate	128.0	26.40
Floating-point processing power	4.096 TFLOPS	0.8448 TFLOPS
ROPs	32	12
TMUs	128	24

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	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x1
Length	275 mm	no data
Width	2-slot	no data
Supplementary power connectors	1 x 6-pin + 1 x 8-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	System Shared
Maximum RAM amount	3 GB	System Shared
Memory bus width	384 Bit	System Shared
Memory clock speed	no data	System Shared
Memory bandwidth	288 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	2x DVI, 1x HDMI, 1x DisplayPort	No outputs
Eyefinity	+	-
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	+	-
TressFX	+	-
TrueAudio	+	-
UVD	+	-
DDMA audio	+	no data
Quick Sync	no data	+

API and SDK compatibility

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

DirectX	DirectX® 12	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	3.0
Vulkan	+	1.2

Pros & cons summary

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Recency	8 October 2013	2 September 2020
Chip lithography	28 nm	10 nm
Power consumption (TDP)	250 Watt	15 Watt

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