HD Graphics P4600 vs Iris Pro Graphics P6300

Place in the ranking	684	963
Place by popularity	not in top-100	not in top-100
Power efficiency	19.10	1.29
Architecture	Generation 8.0 (2014−2015)	Generation 7.5 (2013)
GPU code name	Broadwell GT3e	Haswell GT2
Market segment	Desktop	Desktop
Release date	5 September 2014 (10 years ago)	1 June 2013 (11 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	384	160
Core clock speed	300 MHz	350 MHz
Boost clock speed	800 MHz	1200 MHz
Number of transistors	189 million	392 million
Manufacturing process technology	14 nm	22 nm
Power consumption (TDP)	15 Watt	84 Watt
Texture fill rate	38.40	24.00
Floating-point processing power	0.6144 TFLOPS	0.384 TFLOPS
ROPs	6	2
TMUs	48	20

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).

Interface	IGP	IGP
Width	IGP	IGP

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	System Shared	System Shared
Maximum RAM amount	System Shared	System Shared
Memory bus width	System Shared	System Shared
Memory clock speed	System Shared	System Shared

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

API compatibility

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

DirectX	12 (11_1)	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.4	4.3
OpenCL	2.0	1.2
Vulkan	1.1.80	1.1.80

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Iris Pro Graphics P6300 4.14
+164%

HD Graphics P4600 1.57

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Iris Pro Graphics P6300 1599
+164%

HD Graphics P4600 605

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	4.14	1.57
Recency	5 September 2014	1 June 2013
Chip lithography	14 nm	22 nm
Power consumption (TDP)	15 Watt	84 Watt

Iris Pro Graphics P6300 has a 163.7% higher aggregate performance score, an age advantage of 1 year, a 57.1% more advanced lithography process, and 460% lower power consumption.

The Iris Pro Graphics P6300 is our recommended choice as it beats the HD Graphics P4600 in performance tests.

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