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AMD Radeon HD 8970 OEM

Graphics Processor
Tahiti
Cores
2048
TMUs
128
ROPs
32
Memory Size
3 GB
Memory Type
GDDR5
Bus Width
384 bit
The Radeon HD 8970 OEM was a graphics card by AMD, launched in January 2013. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti XT variant, the card supports DirectX 12.0. The Tahiti graphics processor is a large chip with a die area of 352 mm² and 4,313 million transistors. It features 2048 shading units, 128 texture mapping units and 32 ROPs. AMD has placed 3,072 MB GDDR5 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 925 MHz, memory is running at 1375 MHz.
Being a dual-slot card, the AMD Radeon HD 8970 OEM draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 250 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 8970 OEM is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 274 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti XT
(215-0821060)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

Release Date
Jan 8th, 2013
Generation
Sea Islands
(HD 8900)
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Relative Performance

3%
GeForce 210
4%
GeForce 9400 GT
5%
Radeon HD 4550
7%
Radeon HD 5450
8%
Radeon HD 6450
8%
GeForce GT 520
10%
GeForce GT 220
13%
GeForce GT 430
13%
Radeon HD 5570
15%
Radeon HD 4670
15%
GeForce GT 440
16%
GeForce GT 240
18%
GeForce 9600 GT
19%
Radeon HD 5670
21%
GeForce GT 640
21%
GeForce 9800 GT
22%
Radeon HD 6670
23%
Radeon HD 4830
24%
Radeon HD 4770
26%
Radeon HD 4850
26%
GeForce GTS 250
27%
GeForce GTS 450
28%
Radeon HD 5750
32%
Radeon HD 7750
32%
Radeon HD 5770
33%
GeForce GTX 260
33%
Radeon HD 4870
33%
Radeon Vega 8
34%
GeForce GTX 550 Ti
34%
GeForce GTX 650
36%
Radeon HD 5830
38%
Radeon HD 6790
38%
Radeon HD 4890
40%
GeForce GTX 460
40%
Radeon RX Vega 11
41%
GeForce GT 1030
41%
GeForce GTX 275
41%
Radeon HD 7770 GHz Edition
41%
GeForce GTX 280
42%
GeForce GTX 465
44%
Radeon HD 6850
45%
GeForce GTX 285
48%
Radeon HD 5850
49%
Radeon HD 7790
49%
GeForce GTX 650 Ti
51%
Radeon RX 550
51%
GeForce GTX 470
53%
Radeon HD 6870
57%
Radeon HD 5870
58%
GeForce GTX 560 Ti
59%
Radeon HD 4870 X2
60%
GeForce GTX 750 Ti
60%
Radeon HD 6950
62%
GeForce GTX 295
63%
GeForce GTX 650 Ti Boost
63%
Radeon HD 7850
64%
GeForce GTX 480
67%
Radeon HD 6970
69%
Radeon R7 265
70%
Radeon RX 460
70%
Radeon R7 370
70%
GeForce GTX 660
70%
GeForce GTX 570
72%
Radeon RX 560
76%
GeForce GTX 950
77%
Radeon HD 7870 GHz Edition
78%
Radeon R9 270X
79%
GeForce GTX 660 Ti
80%
GeForce GTX 580
80%
GeForce GTX 1050
81%
Radeon HD 7950
82%
Radeon HD 5970
85%
GeForce GTX 760
91%
GeForce GTX 670
93%
GeForce GTX 960
96%
Radeon R9 380
96%
Radeon R9 285
97%
Radeon HD 7970
98%
GeForce GTX 680
100%
Radeon HD 8970 OEM
101%
GeForce GTX 1050 Ti
103%
GeForce GTX 770
106%
Radeon HD 6990
108%
Radeon R9 280X
110%
GeForce GTX 590
110%
Radeon HD 7970 GHz Edition
122%
GeForce GTX 780
126%
GeForce GTX 1650
134%
Radeon RX 470
136%
Radeon R9 290
145%
Radeon R9 390
145%
Radeon R9 290X
147%
GeForce GTX 970
149%
GeForce GTX TITAN
151%
Radeon RX 570
151%
GeForce GTX 780 Ti
154%
Radeon R9 390X
154%
Radeon HD 7990
155%
Radeon RX 480
156%
GeForce GTX 690
165%
Radeon RX 580
168%
GeForce GTX 980
170%
GeForce GTX 1060 6 GB
170%
Radeon R9 FURY
171%
Radeon RX 590
187%
Radeon R9 295X2
190%
Radeon R9 FURY X
194%
GeForce GTX 980 Ti
208%
GeForce GTX TITAN X
218%
GeForce GTX 1660 Ti
219%
GeForce GTX 1070
229%
Radeon RX Vega 56
249%
GeForce GTX 1070 Ti
255%
Radeon RX Vega 64
255%
GeForce RTX 2060
261%
GeForce GTX 1080
300%
Radeon VII
300%
GeForce RTX 2070
315%
TITAN X Pascal
323%
GeForce GTX 1080 Ti
349%
GeForce RTX 2080
403%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
925 MHz
Memory Clock
1375 MHz
5500 MHz effective

Memory

Memory Size
3 GB
Memory Type
GDDR5
Memory Bus
384 bit
Bandwidth
264.0 GB/s

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32
L1 Cache
16 KB (per CU)
L2 Cache
768 KB

Theoretical Performance

Pixel Rate
29.60 GPixel/s
Texture Rate
118.4 GTexel/s
FP32 (float) performance
3.789 TFLOPS
FP64 (double) performance
947.2 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.8 inches
274 mm
TDP
250 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
C386

Graphics Features

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

Tahiti GPU Notes

Architecture Codename: Southern Islands
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873