Radeon HD 8770M Overview

Radeon HD 8770M
Memory: 2048Mb GDDR5MOBILE
Release date: 1 Apr 2013

Core Configuration

GPU	Mars
Architecture	AMD_GCN_1_0
Shaders : TMUs : ROPs	384 : 24 : 8
Raytracing Cores	none
Performance	633.60 GFLOPs

Memory Configuration

Memory Size	2048 Mb
Memory Bus Width	128 bit
Memory Speed	1125 MHz 4500 MHz effective
Memory Bandwidth	72.00 Gb/s

Summary

Relative performance

GeForce GT 650M
100%
Radeon HD 8790M
99%
Radeon HD 7730M
99%
Radeon HD 7770M
99%
Radeon R5 M335
98%
GeForce GT 745M
98%
GeForce GTX 660M
98%
GeForce 810M
95%
GeForce 820M
95%
GeForce GT 740M Rev. 2
95%
Radeon R5 M330
95%
Radeon R5 M240
95%
Radeon R7 M340
94%
Radeon R7 M265
91%
Radeon R7 M270
91%
Radeon HD 8770M
91%
Radeon HD 8670M Rev. 2
91%
Radeon HD 8670M
89%
Radeon HD 8750M
85%
GeForce GT 730M
85%
Radeon HD 7750M
84%
GeForce GT 645M
83%
Radeon R5 M420
78%
Radeon R5 M430
78%
Radeon R5 M435
78%
Radeon R7 M440
78%
Radeon R7 M445
78%
Radeon R5 M320
78%
Radeon R5 M230
78%
Radeon HD 8550M
78%

Data interpolated by architecture, based on benchmarks charts.

The Radeon HD 8770M is a graphics card released by AMD on 1 Apr 2013. The graphics card houses the Mars die, based on the AMD_GCN_1_0 architecture which packs 1,040 million transistors on a 28 nm, 77 mm2 die.

Radeon HD 8770M pros and cons

Supports Direct3D 12 Async Compute

Supports ReLive (allows game streaming/recording with minimum performance penalty)

Supports Mantle

Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Specifications

Compared to similar performing cards


	Radeon HD 8770M	GeForce GT 650M
		compare
Shader units	384	384
ROPs	8	16
Graphics processor	Mars	GK107
Process size	28 nm	28 nm
Memory	2048 Mb GDDR5 (1125 MHz 4500 MHz effective)	1024 Mb DDR3 (900 MHz 1800 MHz effective)
Memory bus width	128 bit	128 bit
Memory bandwidth	72.00 Gb/s	28.80 Gb/s
Release date	1 Apr 2013	22 Mar 2012

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