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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. Even though it supports DirectX 12, the feature level is only 11_1, which can be problematic with newer DirectX 12 titles. 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 paired 3,072 MB GDDR5 memory with the Radeon HD 8970 OEM, 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 connector, 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
14%
GeForce GT 430
14%
Radeon HD 5570
15%
Radeon HD 4670
16%
GeForce GT 440
16%
GeForce GT 240
19%
GeForce 9600 GT
20%
Radeon HD 5670
21%
GeForce GT 640
22%
GeForce 9800 GT
23%
Radeon HD 6670
24%
Radeon HD 4830
25%
Radeon HD 4770
27%
Radeon HD 4850
27%
GeForce GTS 250
28%
GeForce GTS 450
29%
Radeon HD 5750
33%
Radeon HD 7750
33%
Radeon HD 5770
34%
GeForce GTX 260
34%
Radeon HD 4870
34%
Radeon Vega 8
35%
GeForce GTX 550 Ti
35%
GeForce GTX 650
37%
Radeon HD 5830
39%
Radeon HD 6790
40%
Radeon HD 4890
41%
GeForce GTX 460
41%
Radeon RX Vega 11
42%
GeForce GT 1030
42%
GeForce GTX 275
42%
Radeon HD 7770 GHz Edition
42%
GeForce GTX 280
43%
GeForce GTX 465
45%
Radeon HD 6850
46%
GeForce GTX 285
50%
Radeon HD 5850
50%
GeForce GTX 650 Ti
50%
Radeon HD 7790
53%
Radeon RX 550
53%
GeForce GTX 470
55%
Radeon HD 6870
58%
Radeon HD 5870
60%
GeForce GTX 560 Ti
60%
Radeon HD 4870 X2
61%
GeForce GTX 750 Ti
62%
Radeon HD 6950
64%
GeForce GTX 295
65%
GeForce GTX 650 Ti Boost
65%
Radeon HD 7850
66%
GeForce GTX 480
69%
Radeon HD 6970
71%
Radeon R7 265
72%
Radeon RX 460
72%
Radeon R7 370
72%
GeForce GTX 660
72%
GeForce GTX 570
74%
Radeon RX 560
78%
GeForce GTX 950
79%
Radeon HD 7870 GHz Edition
81%
Radeon R9 270X
82%
GeForce GTX 660 Ti
82%
GeForce GTX 580
83%
GeForce GTX 1050
83%
Radeon HD 7950
85%
Radeon HD 5970
87%
GeForce GTX 760
94%
GeForce GTX 670
96%
GeForce GTX 960
98%
Radeon R9 380
99%
Radeon R9 285
100%
Radeon HD 8970 OEM
100%
Radeon HD 7970
101%
GeForce GTX 680
103%
GeForce GTX 1050 Ti
106%
GeForce GTX 770
109%
Radeon HD 6990
111%
Radeon R9 280X
113%
GeForce GTX 590
113%
Radeon HD 7970 GHz Edition
125%
GeForce GTX 780
129%
GeForce GTX 1650
138%
Radeon RX 470
139%
Radeon R9 290
147%
Radeon RX 570
149%
Radeon R9 390
150%
Radeon R9 290X
152%
GeForce GTX 970
154%
GeForce GTX TITAN
156%
GeForce GTX 780 Ti
158%
Radeon R9 390X
159%
Radeon HD 7990
159%
Radeon RX 480
161%
GeForce GTX 690
165%
GeForce GTX 1060 6 GB
167%
Radeon RX 5500 OEM
169%
Radeon RX 580
171%
Radeon RX 5500 XT
173%
GeForce GTX 980
174%
GeForce GTX 1650 SUPER
175%
Radeon R9 FURY
183%
Radeon RX 590
192%
Radeon R9 295X2
194%
GeForce GTX 1660
196%
Radeon R9 FURY X
199%
GeForce GTX 980 Ti
204%
GeForce GTX TITAN X
217%
GeForce GTX 1660 SUPER
222%
GeForce GTX 1660 Ti
222%
GeForce GTX 1070
237%
Radeon RX Vega 56
251%
GeForce GTX 1070 Ti
258%
Radeon RX Vega 64
262%
GeForce GTX 1080
262%
GeForce RTX 2060
272%
Radeon RX 5700
294%
GeForce RTX 2060 SUPER
305%
GeForce RTX 2070
312%
Radeon RX 5700 XT
315%
Radeon VII
324%
TITAN X Pascal
333%
GeForce GTX 1080 Ti
337%
GeForce RTX 2070 SUPER
358%
GeForce RTX 2080
380%
GeForce RTX 2080 SUPER
419%
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
274 mm
10.8 inches
TDP
250 W
Suggested PSU
600 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
C386

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
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