Iris Xe Graphics 64EUs (Alder Lake) vs GeForce GTX 870M

Primary details

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

Place in the ranking	486	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	6.23	no data
Architecture	Kepler (2012−2018)	Gen. 11 Ice Lake (2019−2022)
GPU code name	GK104	Alder Lake Xe
Market segment	Laptop	Laptop
Release date	12 March 2014 (10 years ago)	4 January 2022 (2 years ago)

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	1344	64
Core clock speed	941 MHz	no data
Boost clock speed	967 MHz	1400 MHz
Number of transistors	3,540 million	no data
Manufacturing process technology	28 nm	10 nm
Power consumption (TDP)	100 Watt	no data
Texture fill rate	108.3	no data
Floating-point processing power	2.599 TFLOPS	no data
ROPs	24	no data
TMUs	112	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	large	no data
Bus support	PCI Express 2.0, PCI Express 3.0	no data
Interface	MXM-B (3.0)	no data
Supplementary power connectors	None	no data
SLI options	+	-

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	no data
Maximum RAM amount	3 GB	no data
Standard memory configuration	GDDR5	no data
Memory bus width	192 Bit	no data
Memory clock speed	Up to 2500 MHz	no data
Memory bandwidth	120.0 GB/s	no data
Shared memory	-	+

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	No outputs	no data
eDP 1.2 signal support	Up to 3840x2160	no data
LVDS signal support	Up to 1920x1200	no data
VGA аnalog display support	Up to 2048x1536	no data
DisplayPort Multimode (DP++) support	Up to 3840x2160	no data
HDMI	+	-
HDCP content protection	+	-
7.1 channel HD audio on HDMI	+	-
TrueHD and DTS-HD audio bitstreaming	+	-

Supported technologies

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

H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
Quick Sync	no data	+

API compatibility

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

DirectX	12 (11_0)	DirectX 12_1
Shader Model	5.1	no data
OpenGL	4.5	no data
OpenCL	1.1	no data
Vulkan	1.1.126	-
CUDA	+	-

Pros & cons summary

---

Recency	12 March 2014	4 January 2022
Chip lithography	28 nm	10 nm

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---