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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7750 Asus 1GB Edition Radeon HD 7770 Sapphire GHz OC Edition
Cyberpunk 2077 562% 395%
eFootball PES 2020 197% 122%
The Division 2 636% 451%
Metro: Exodus 636% 451%
Doom Eternal 314% 210%
Borderlands 3 409% 280%
Grand Theft Auto VI 636% 451%
Total War: Three Kingdoms 580% 408%
Watch Dogs Legion 409% 280%
FIFA 20 193% 119%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7770 Sapphire GHz OC Edition are significantly better than the AMD Radeon HD 7750 Asus 1GB Edition.

The HD 7770 has a 330 MHz higher core clock speed and 8 more Texture Mapping Units than the HD 7750. This results in the HD 7770 providing 19.8 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 330 MHz higher core clock speed than the HD 7750 and the same number of Render Output Units. This results in the HD 7770 providing 5.3 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 HD 7770 was released less than a year after the HD 7750, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The Radeon HD 7750 Asus 1GB Edition and the Radeon HD 7770 Sapphire GHz OC Edition have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 7770 has 6.4 GB/sec greater memory bandwidth than the HD 7750, which means that the memory performance of the HD 7770 is marginally better than the HD 7750.

The Radeon HD 7750 Asus 1GB Edition has 512 Shader Processing Units and the Radeon HD 7770 Sapphire GHz OC Edition has 640. However, the actual shader performance of the HD 7750 is 357 and the actual shader performance of the HD 7770 is 626. The HD 7770 having 269 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7770 delivers a noticeably smoother and more efficient experience when processing graphical data than the HD 7750.

The Radeon HD 7770 Sapphire GHz OC Edition requires 80 Watts to run but there is no entry for the HD 7750. We would recommend a PSU with at least 450 Watts for the HD 7770, but we do not have a recommended PSU wattage for the HD 7750.

Can I Run It

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GPU Architecture

Core Speed820 MHzvs1150 MHz
Boost Clock-vs-
ArchitectureGCN 1.0 Cape Verde PROGCN 1.0 Cape Verde XT
OC Potential Good vs Poor
Driver Support Good vs Good
Release Date01 Feb 2012vs16 Feb 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
8.1
green tick vs -
1600x900
5.7
vs green tick
7.1
1920x1080
4.7
vs green tick
5.4
2560x1440
3.1
vs green tick
3.8
3840x2160
2.1
vs green tick
2.4

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed1150 MHzvs1250 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth73.6GB/secvs80GB/sec
L2 Cache 512 KB green tick 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 Units512vs640
Actual Shader Performance17%vs30%
Technology28nmvs28nm
Texture Mapping Units32vs40
Texture Rate26.2 GTexel/svs46 GTexel/s
Render Output Units16vs16
Pixel Rate13.1 GPixel/svs18.4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections1vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power-80 Watts
Recommended PSU-450 Watts

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.4vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i3-3240 3.4GHzvsIntel Core i3-3240 3.4GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1600x900vs1600x900

Gaming Performance Value

Battlefield 3vs
Performance Value

GPU Mini Review

Mini ReviewRadeon HD 7750 Asus 1GB Edition is a tweaked Radeon HD 7750 with a custom cooling system and small increases in the core and memory clocks that went from 800MHz to 820MHz and 1125MHz to 1150MHz, respectively.
The performance boost is only slightly and around 1%, according to benchmarks.
Radeon HD 7770 Sapphire GHz OC Edition is a special edition of the fast-middle-class Radeon HD 7770. See the standard version for more information about it.
The differences include increased memory and core clocks, from 1125MHz to 1250MHz and from 1000MHz to 1150MHz, respectively. A new quiet and efficient cooling system is also available.
Benchmarks indicate a 9,5% performance boost when compared to the standard Radeon HD 7770.
Benchmarks indicate that the most demanding games (e.g. Metro 2033) will run at the highest settings but not at extreme resolutions (due to the limited memory size).
Recommended CPUAMD Phenom II X2 B53
AMD Opteron 8356
AMD APU A4-4000 Dual-Core
AMD Athlon 64 X2 Dual Core 5200+
Intel Celeron G1610T 2.3GHz
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 UpgradesGeForce GTX 950 Zotac OC 2GB Edition
GeForce GTX 950 Galax KFA2 OC 2GB Edition
GeForce GTX 950 Asus DirectCU II OC Strix Gaming 2GB Edition
GeForce GTX 950 EVGA Superclocked+ ACX 2.0 2GB Edition
GeForce GTX 950 EVGA Superclocked 2.0 2GB Edition
Radeon R7 370 MSI Gaming 4GB Edition Crossfire
Radeon R9 380X XFX Double Dissipation Black OC 4GB Edition
Radeon R9 380X PowerColor PCS+ Myst. 4GB Edition
Radeon R9 380X Asus DirectCU II OC Strix Gaming 4GB Edition
Radeon R9 380X HIS IceQ X Turbo 4GB Edition
GPU Variants--

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