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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 8670D Radeon HD 7750 1GB GDDR5

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7750 1GB GDDR5 are massively better than the AMD Radeon HD 8670D.

The Radeon HD 8670D has a 44 MHz higher core clock speed than the HD 7750, but the HD 7750 has 8 more Texture Mapping Units than the Radeon HD 8670D. As a result, the HD 7750 exhibits a 5.3 GTexel/s better Texture Fill Rate than the Radeon HD 8670D. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The Radeon HD 8670D has a 44 MHz higher core clock speed than the HD 7750, but the HD 7750 has 8 more Render Output Units than the Radeon HD 8670D. As a result, the HD 7750 exhibits a 6 GPixel/s better Pixel Fill Rate than the Radeon HD 8670D. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The Radeon HD 8670D was released over a year more recently than the HD 7750, and so the Radeon HD 8670D is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 7750.

The HD 7750 has 1024 MB video memory, but the Radeon HD 8670D does not have an entry, so the two GPUs cannot be reliably compared in this area.

The Radeon HD 8670D has 384 Shader Processing Units and the Radeon HD 7750 1GB GDDR5 has 512. However, the actual shader performance of the Radeon HD 8670D is 211 and the actual shader performance of the HD 7750 is 348. The HD 7750 having 137 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7750 delivers a significantly smoother and more efficient experience when processing graphical data than the Radeon HD 8670D.

The HD 7750 transistor size technology is 4 nm (nanometers) smaller than the Radeon HD 8670D. This means that the HD 7750 is expected to run very slightly cooler and achieve higher clock frequencies than the Radeon HD 8670D.

The Radeon HD 8670D requires 100 Watts to run and the Radeon HD 7750 1GB GDDR5 requires 55 Watts. We would recommend a PSU with at least 400 Watts for the HD 7750, but we do not have a recommended PSU wattage for the Radeon HD 8670D. The Radeon HD 8670D requires 45 Watts more than the HD 7750 to run. The difference is significant enough that the Radeon HD 8670D may have a slight adverse affect on your yearly electricity bills in comparison to the HD 7750.

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GPU Architecture

Core Speed844 MHzvs800 MHz
Boost Clock-vs-
ArchitectureRichlandGCN 1.0 Cape Verde PRO
OC Potential - vs Good
Driver Support - vs Good
Release Date01 Jun 2013vs15 Feb 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
7.9
1600x900 - vs green tick
6
1920x1080 - vs green tick
4.6
2560x1440 - vs green tick
3
3840x2160 - vs green tick
2.1

GPU Memory

MemoryN/Avs1024 MB
Memory Speed1067 MHzvs1125 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR3vsGDDR5
Memory Bandwidth34.1GB/secvs72GB/sec
L2 Cache - vs green tick 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units384vs512
Actual Shader Performance10%vs17%
Technology32nmvs28nm
Texture Mapping Units24vs32
Texture Rate20.3 GTexel/svs25.6 GTexel/s
Render Output Units8vs16
Pixel Rate6.8 GPixel/svs12.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power100 Wattsvs55 Watts
Recommended PSU-400 Watts & 27 Amps

GPU Features

DirectX11.1vs12.0
Shader Model5.0vs5.0
Open GL4.1vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatednovsyes
Comparison

GPU Supporting Hardware

Recommended Processor-Intel Core i3-3240 3.4GHz
Recommended RAM-8 GB
Maximum Recommended Gaming Resolution-1600x900

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 8670D is an embedded Graphics Card on the high-end Richland APUs A10-6700 and A10-6800K.
They offer 384 Shader Processing Units, 24 TMUs and 8 ROPs. The memory interface depends on whether or not the system's RAM is dual channelled.
While the central unit runs at 844MHz, since the GFX doesn't have dedicated memory, the bandwidth will depend on the system ram speed which can be up to 2133MHz (the max speed supported by the CPU). Therefore, the max operating memory clock is 1067MHz.
Its performance is quite superior to Intel HD 4600 but only very slightly better than previous Radeon HD 7660D.
Overview
Radeon HD 7750 is a Fast-Middle-Class Graphics Card based on the First Revision of the Graphics Core Next (GCN) Architecture.

Architecture
The GCN Architecture succeeds the 40nm Terascale Architecture. In addition to being produced with a 28nm Technology, the GCN Architecture adds other Technologies that allow for energy efficiency. For example, ZeroCore Power, a long idle power saving technology, allows the Graphics Cards to shut down by itself when the Monitor is turned off.
GCN also adds Improved Anisotropic Filtering, DirectX 11 Tessellation and the Partially Resident Textures (PRT) Technology, which enables future games to utilize ultra-high resolution textures with the same performance as today's small and often repetitive textures.

GPU
It equips a GPU Codenamed Cape Verde PRO which has 8 Compute Units activated and thus offers 512 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is clocked at 800MHz.

Memory
The GPU accesses a 1GB frame buffer of fast GDDR5, through a 256-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1125MHz.

Power Consumption
With a rated board TDP of 55W, it requires at least a 400W PSU and relies entirely on the PCI Slot for power, meaning no extra connectors are required.

Performance
Radeon HD 7750 competes with GeForce GTX 650 Ti but its performance was slightly behind it.

System Suggestions
Radeon HD 7750 is best suited for resolutions up to and including 1600x900. We recommend a Decent Processor (Intel Core i3 Quad Core/AMD FX Quad Core) and 8GB of RAM for Optimal Performance.
Recommended CPU-AMD Athlon II X4 645
Intel Core i3-4370T 3.3GHz
AMD FX-4170
AMD APU A8-6600K Quad-Core
Intel Core i3-3250 3.5GHz
Possible GPU UpgradesN/AN/A
GPU Variants-Radeon HD 7750 Sapphire Ultimate
Radeon HD 7750 Sapphire Low Profile
Radeon HD 7750 VTX3D 1GB GDDR5 Edition
Radeon HD 7750 PowerColor 1GB Edition
Radeon HD 7750 XFX Core Edition
Radeon HD 7750 Sapphire 1GB GDDR5 Edition
Radeon HD 7750 Club3D Low Profile Edition
Radeon HD 7750 HIS iCooler Dual Fan 1GB Edition
Radeon HD 7750 Asus 1GB Edition
Radeon HD 7750 MSI PMD1 OC Edition
Radeon HD 7750 MSI OC Edition
Radeon HD 7750 Double D Black Edition
Radeon HD 7750 Gigabyte 1GB OC Edition
Radeon HD 7750 MSI OC Power Edition
Radeon HD 7750 Asus TOP 1GB Edition
Radeon HD 7750 Crossfire

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