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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7770 2GB GHz Edition are massively better than the Intel HD Graphics 4600 Desktop.

The HD 7770 has a 600 MHz higher core clock speed and 36 more Texture Mapping Units than the Graphics 4600. This results in the HD 7770 providing 38.4 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 7770 has a 600 MHz higher core clock speed and 14 more Render Output Units than the Graphics 4600. This results in the HD 7770 providing 15.2 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The Graphics 4600 was released over a year more recently than the HD 7770, and so the Graphics 4600 is likely to have better driver support, meaning it will be more optimized for running the latest games.

The HD 7770 has 2048 MB video memory, but the Graphics 4600 does not have an entry, so the two GPUs cannot be reliably compared in this area.

The HD Graphics 4600 Desktop has 80 Shader Processing Units and the Radeon HD 7770 2GB GHz Edition has 640. However, the actual shader performance of the Graphics 4600 is 157 and the actual shader performance of the HD 7770 is 576. The HD 7770 having 419 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7770 delivers a massively smoother and more efficient experience when processing graphical data than the Graphics 4600.

The Graphics 4600 transistor size technology is 6 nm (nanometers) smaller than the HD 7770. This means that the Graphics 4600 is expected to run very slightly cooler and achieve higher clock frequencies than the HD 7770.

The Radeon HD 7770 2GB GHz Edition requires 80 Watts to run but there is no entry for the Graphics 4600. We would recommend a PSU with at least 500 Watts for the HD 7770, but we do not have a recommended PSU wattage for the Graphics 4600.

Can I Run It

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GPU Core Details

Core Speed400 MHzvs1000 MHz
ArchitectureHaswellGCN 1.0 Cape Verde XT
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatednovsyes
Release Date01 Jun 201315 Feb 2012
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory-vs2048 MB
Memory Speed800 MHzvs1125 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR3vsGDDR5
Memory Bandwidth25.6GB/secvs72GB/sec
Comparison

GPU Display

Shader Processing Units80vs640
Actual Shader Performance157vs576
Technology22nmvs28nm
Texture Mapping Units4vs40
Texture Rate1.6 GTexel/svs40 GTexel/s
Render Output Units2vs16
Pixel Rate0.8 GPixel/svs16 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.2vs4.2
Max Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections0vs2
HDMI Connections0vs0
Comparison

GPU Power Requirements

Max Power-80 Watts

GPU Supporting Hardware

Recommended RAM-8 GB
Recommended Screen Size-1600x900
Recommended PSU-500 Watts & 20 Amps

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewIntel HD Graphics 4600 Desktop is the successor to Intel HD 4000 Desktop that's featured in the Haswell based desktop CPUs.
It features 20 Execution Units (80 Shader Processing Units) and its central-unit speed will range between 400MHz and 1250MHz (Turbo Boost) and that the fastest memory supported is DDR3-1600 meaning its memory-clock will operate at 800MHz, at the most.
Benchmarks indicate its performance is up to 25% better than previous Intel HD 4000. However, only Iris Graphics offer performance good enough to play all modern demanding games, some even with extremely fluent frame rates.
Radeon HD 7770 2GB GHz Edition is a variant of the Radeon HD 7770 GHz Edition aka just Radeon HD 7770.
The only difference between this version and the original is the increase in the video memory that was doubled from 1GB to 2GB.
It's proved that extra memory for this GPU does not yield extra performance. Therefore, this GPU's performance is exactly like the standards.
Recommended CPU-AMD Athlon II X4 645
AMD FX-4170
AMD APU A8-6600K Quad-Core
Intel Core i3-3250 3.5GHz
AMD APU A8-7600 Quad-Core
Possible GPU Upgrades-Radeon R9 285 Gigabyte WindForce 2X OC 2GB Edition
Radeon R9 285 MSI Gaming 2GB Edition
Radeon R9 285 Sapphire Dual-X OC 2GB Edition
Radeon R9 285 Sapphire ITX Compact OC 2GB Edition
Radeon R9 285 Sapphire ITX Compact 2GB Edition
GPU Variants--