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AMD Radeon HD 8670M

Graphics Processor
Sun
Cores
320
TMUs
20
ROPs
8
Memory Size
1024 MB
Memory Type
DDR3
Bus Width
64 bit
The Radeon HD 8670M was a graphics card by AMD, launched in March 2013. Built on the 28 nm process, and based on the Sun graphics processor, in its Sun XT variant, the card supports DirectX 12.0. The Sun graphics processor is a relatively small chip with a die area of only 77 mm² and 1,040 million transistors. It features 320 shading units, 20 texture mapping units and 8 ROPs. AMD has placed 1,024 MB DDR3 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 925 MHz, which can be boosted up to 975 MHz, memory is running at 1000 MHz.
Its power draw is not exactly known. This device has no display connectivity, as it is not designed to have monitors connected to it. Radeon HD 8670M is connected to the rest of the system using a PCI-Express 3.0 x8 interface.

Graphics Processor

GPU Name
Sun
GPU Variant
Sun XT
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,040 million
Die Size
77 mm²

Mobile Graphics

Release Date
Mar 1st, 2013
Generation
Solar System
(HD 8600M)
Production
End-of-life
Bus Interface
PCIe 3.0 x8

Relative Performance

13%
GeForce 210
17%
GeForce 9400 GT
21%
Radeon HD 4550
27%
Radeon HD 5450
32%
Radeon HD 6450
34%
GeForce GT 520
42%
GeForce GT 220
54%
GeForce GT 430
55%
Radeon HD 5570
60%
Radeon HD 4670
63%
GeForce GT 440
65%
GeForce GT 240
74%
GeForce 9600 GT
79%
Radeon HD 5670
84%
GeForce GT 640
87%
GeForce 9800 GT
91%
Radeon HD 6670
94%
Radeon HD 4830
100%
Radeon HD 8670M
100%
Radeon HD 4770
106%
Radeon HD 4850
108%
GeForce GTS 250
111%
GeForce GTS 450
115%
Radeon HD 5750
131%
Radeon HD 7750
132%
Radeon HD 5770
135%
GeForce GTX 260
136%
Radeon HD 4870
137%
Radeon Vega 8
138%
GeForce GTX 550 Ti
139%
GeForce GTX 650
147%
Radeon HD 5830
155%
Radeon HD 6790
158%
Radeon HD 4890
163%
GeForce GTX 460
165%
Radeon RX Vega 11
166%
GeForce GT 1030
168%
GeForce GTX 275
168%
Radeon HD 7770 GHz Edition
169%
GeForce GTX 280
172%
GeForce GTX 465
180%
Radeon HD 6850
184%
GeForce GTX 285
197%
Radeon HD 5850
201%
GeForce GTX 650 Ti
201%
Radeon HD 7790
209%
Radeon RX 550
210%
GeForce GTX 470
217%
Radeon HD 6870
232%
Radeon HD 5870
239%
GeForce GTX 560 Ti
240%
Radeon HD 4870 X2
245%
GeForce GTX 750 Ti
246%
Radeon HD 6950
254%
GeForce GTX 295
258%
GeForce GTX 650 Ti Boost
259%
Radeon HD 7850
264%
GeForce GTX 480
276%
Radeon HD 6970
282%
Radeon R7 265
286%
Radeon RX 460
286%
Radeon R7 370
287%
GeForce GTX 660
288%
GeForce GTX 570
293%
Radeon RX 560
311%
GeForce GTX 950
314%
Radeon HD 7870 GHz Edition
321%
Radeon R9 270X
325%
GeForce GTX 660 Ti
327%
GeForce GTX 580
329%
GeForce GTX 1050
330%
Radeon HD 7950
336%
Radeon HD 5970
346%
GeForce GTX 760
372%
GeForce GTX 670
382%
GeForce GTX 960
392%
Radeon R9 380
394%
Radeon R9 285
398%
Radeon HD 7970
402%
GeForce GTX 680
412%
GeForce GTX 1050 Ti
422%
GeForce GTX 770
432%
Radeon HD 6990
442%
Radeon R9 280X
449%
GeForce GTX 590
449%
Radeon HD 7970 GHz Edition
497%
GeForce GTX 780
515%
GeForce GTX 1650
547%
Radeon RX 470
555%
Radeon R9 290
585%
Radeon RX 570
592%
Radeon R9 390
595%
Radeon R9 290X
603%
GeForce GTX 970
611%
GeForce GTX TITAN
619%
GeForce GTX 780 Ti
628%
Radeon R9 390X
631%
Radeon HD 7990
634%
Radeon RX 480
639%
GeForce GTX 690
674%
Radeon RX 580
688%
GeForce GTX 980
696%
Radeon R9 FURY
696%
GeForce GTX 1060 6 GB
728%
Radeon RX 590
766%
Radeon R9 295X2
770%
GeForce GTX 1660
779%
Radeon R9 FURY X
792%
GeForce GTX 980 Ti
813%
GeForce GTX TITAN X
884%
GeForce GTX 1660 Ti
884%
GeForce GTX 1070
941%
Radeon RX Vega 56
999%
GeForce GTX 1070 Ti
1027%
Radeon RX Vega 64
1041%
GeForce GTX 1080
1041%
GeForce RTX 2060
1084%
Radeon RX 5700
1170%
GeForce RTX 2060 SUPER
1213%
GeForce RTX 2070
1241%
Radeon RX 5700 XT
1255%
Radeon VII
1288%
TITAN X Pascal
1327%
GeForce GTX 1080 Ti
1341%
GeForce RTX 2070 SUPER
1427%
GeForce RTX 2080
1512%
GeForce RTX 2080 SUPER
1669%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

Base Clock
925 MHz
Boost Clock
975 MHz
Memory Clock
1000 MHz
2000 MHz effective

Memory

Memory Size
1024 MB
Memory Type
DDR3
Memory Bus
64 bit
Bandwidth
16.00 GB/s

Render Config

Shading Units
320
TMUs
20
ROPs
8
Compute Units
5
L1 Cache
16 KB (per CU)
L2 Cache
128 KB

Theoretical Performance

Pixel Rate
7.800 GPixel/s
Texture Rate
19.50 GTexel/s
FP32 (float) performance
624.0 GFLOPS
FP64 (double) performance
39.00 GFLOPS (1:16)

Board Design

TDP
unknown
Outputs
No outputs

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
Shader Model
5.1

Sun GPU Notes

Architecture Codename: Sea Islands
Chip Variant: Hainan
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: No Support
Unified Video Decoder: No Support
Video Compression Engine: No Support

Retail boards based on this design (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
Dell HD 8670M 2 GB 925 MHz 975 MHz 1000 MHz 2 GB