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AMD Radeon HD 8950 OEM

Graphics Processor
Tahiti
Cores
1792
TMUs
112
ROPs
32
Memory Size
3 GB
Memory Type
GDDR5
Bus Width
384 bit
GPU Chip
GPU
I/O
I/O
Top
Top
Cooler
Cooler
PCB Front
PCB Front
PCB Back
PCB Back
The Radeon HD 8950 OEM was a graphics card by AMD, launched on January 8th, 2013. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti PRO 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. Unlike the fully unlocked Radeon HD 7970, which uses the same GPU but has all 2048 shaders enabled, AMD has disabled some shading units on the Radeon HD 8950 OEM to reach the product's target shader count. It features 1792 shading units, 112 texture mapping units, and 32 ROPs. AMD has paired 3,072 MB GDDR5 memory with the Radeon HD 8950 OEM, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 850 MHz, which can be boosted up to 925 MHz, memory is running at 1250 MHz (5 Gbps effective).
Being a dual-slot card, the AMD Radeon HD 8950 OEM draws power from 2x 6-pin power connectors, with power draw rated at 200 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2. Radeon HD 8950 OEM is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 267 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti PRO
(215-0821056)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Density
12.3M / mm²
Die Size
352 mm²

Graphics Card

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

Relative Performance

GeForce 210
4%
GeForce 9400 GT
5%
Radeon HD 4550
6%
Radeon HD 5450
7%
Radeon HD 6450
8%
GeForce GT 520
9%
GeForce GT 220
11%
GeForce GT 430
14%
Radeon HD 5570
14%
Radeon HD 4670
16%
GeForce GT 440
17%
GeForce GT 240
17%
GeForce 9600 GT
19%
Radeon HD 5670
21%
GeForce GT 640
22%
GeForce 9800 GT
23%
Radeon HD 6670
24%
Radeon HD 4830
25%
Radeon HD 4770
26%
Radeon HD 4850
28%
GeForce GTS 250
28%
GeForce GTS 450
29%
Radeon HD 5750
30%
Radeon HD 7750
34%
Radeon HD 5770
35%
GeForce GTX 260
35%
Radeon HD 4870
36%
Radeon Vega 8
36%
GeForce GTX 550 Ti
36%
GeForce GTX 650
36%
Radeon HD 5830
39%
Radeon HD 6790
41%
Radeon HD 4890
41%
GeForce GTX 460
43%
Radeon RX Vega 11
43%
GeForce GT 1030
44%
GeForce GTX 275
44%
Radeon HD 7770 GHz Edition
44%
GeForce GTX 280
44%
GeForce GTX 465
45%
Radeon HD 6850
47%
GeForce GTX 285
48%
Radeon HD 5850
52%
GeForce GTX 650 Ti
53%
Radeon HD 7790
53%
Radeon RX 550
55%
GeForce GTX 470
55%
Radeon HD 6870
57%
Radeon HD 5870
61%
GeForce GTX 560 Ti
63%
Radeon HD 4870 X2
63%
GeForce GTX 750 Ti
64%
Radeon HD 6950
64%
GeForce GTX 295
67%
GeForce GTX 650 Ti Boost
67%
Radeon HD 7850
68%
GeForce GTX 480
69%
Radeon HD 6970
72%
Radeon R7 265
74%
Radeon RX 460
75%
Radeon R7 370
75%
GeForce GTX 660
75%
GeForce GTX 570
75%
Radeon RX 560
77%
GeForce GTX 950
81%
Radeon HD 7870 GHz Edition
82%
Radeon R9 270X
84%
GeForce GTX 660 Ti
85%
GeForce GTX 580
86%
GeForce GTX 1050
86%
Radeon HD 7950
86%
GeForce GTX 1630
88%
Radeon HD 5970
88%
GeForce GTX 760
91%
GeForce GTX 670
98%
Radeon HD 8950 OEM
100%
GeForce GTX 960
100%
Radeon R9 380
103%
Radeon R9 285
103%
Radeon HD 7970
104%
GeForce GTX 680
105%
GeForce GTX 1050 Ti
108%
GeForce GTX 770
111%
Radeon HD 6990
113%
Radeon R9 280X
116%
GeForce GTX 590
118%
Radeon HD 7970 GHz Edition
118%
GeForce GTX 780
130%
Arc A380
131%
Radeon RX 6400
132%
GeForce GTX 1650
135%
Radeon RX 470
143%
Radeon R9 290
145%
Radeon RX 570
153%
Radeon R9 390
155%
Radeon R9 290X
156%
GeForce GTX 970
158%
GeForce GTX TITAN
160%
GeForce GTX 780 Ti
162%
Radeon R9 390X
165%
Radeon HD 7990
165%
Radeon RX 480
166%
GeForce GTX 690
168%
GeForce GTX 1060 6 GB
172%
Radeon RX 5500 OEM
174%
Radeon RX 580
177%
Radeon RX 5500 XT
178%
Radeon RX 6500 XT
179%
GeForce GTX 980
180%
GeForce GTX 1650 SUPER
182%
Radeon R9 FURY
183%
Radeon RX 590
191%
Radeon R9 295X2
201%
GeForce GTX 1660
202%
Radeon R9 FURY X
204%
GeForce GTX 980 Ti
208%
GeForce GTX TITAN X
213%
GeForce GTX 1660 SUPER
220%
GeForce GTX 1070
232%
GeForce GTX 1660 Ti
232%
GeForce RTX 3050 8 GB
236%
Radeon RX Vega 56
247%
GeForce GTX 1070 Ti
262%
Radeon RX 5600 XT
266%
Radeon RX Vega 64
269%
GeForce GTX 1080
273%
GeForce RTX 2060
273%
Radeon RX 5700
284%
Arc A580
285%
Radeon RX 6600
297%
GeForce RTX 2060 SUPER
307%
GeForce RTX 2070
311%
Radeon RX 5700 XT
311%
GeForce RTX 3060 12 GB
317%
Arc A750
327%
Radeon VII
329%
TITAN X Pascal
338%
Radeon RX 6600 XT
341%
GeForce GTX 1080 Ti
348%
Arc A770
351%
GeForce RTX 2070 SUPER
351%
Radeon RX 6650 XT
370%
Radeon RX 7600
374%
GeForce RTX 4060
375%
GeForce RTX 2080
378%
Radeon RX 7600 XT
386%
GeForce RTX 2080 SUPER
396%
GeForce RTX 3060 Ti
406%
Radeon RX 6700 XT
420%
Radeon RX 6750 XT
446%
GeForce RTX 4060 Ti 8 GB
451%
GeForce RTX 2080 Ti
454%
GeForce RTX 3070
475%
GeForce RTX 3070 Ti
509%
Radeon RX 7700 XT
514%
Radeon RX 6800
524%
GeForce RTX 4070
581%
Radeon RX 6800 XT
595%
GeForce RTX 3080
618%
Radeon RX 7800 XT
624%
Radeon RX 6900 XT
641%
GeForce RTX 4070 SUPER
674%
Radeon RX 7900 GRE
686%
GeForce RTX 3080 Ti
692%
Radeon RX 6950 XT
693%
GeForce RTX 3090
705%
GeForce RTX 4070 Ti
723%
GeForce RTX 4070 Ti SUPER
790%
Radeon RX 7900 XT
811%
GeForce RTX 3090 Ti
818%
GeForce RTX 4080
918%
GeForce RTX 4080 SUPER
932%
Radeon RX 7900 XTX
941%
GeForce RTX 4090
1154%
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

Base Clock
850 MHz
Boost Clock
925 MHz
Memory Clock
1250 MHz
5 Gbps effective

Memory

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

Render Config

Shading Units
1792
TMUs
112
ROPs
32
Compute Units
28
L1 Cache
16 KB (per CU)
L2 Cache
768 KB

Theoretical Performance

Pixel Rate
29.60 GPixel/s
Texture Rate
103.6 GTexel/s
FP32 (float)
3.315 TFLOPS
FP64 (double)
828.8 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
267 mm
10.5 inches
TDP
200 W
Suggested PSU
550 W
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
Board Number
109-C38637-00

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
2.1 (1.2)
Vulkan
1.2.170
Shader Model
6.5 (5.1)

Tahiti GPU Notes

Generation: Southern Islands
Desktop Variant: New Zealand / Malta
Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0
CLRX: GCN 1.0

Exact Transistor Count: 4,312,711,873

Latest Drivers:
Windows XP / 8:
Catalyst Software Suite 14.4

Windows Vista :
Catalyst Software Suite 13.12

Windows 7:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Windows 8.1:
32-bit: Radeon Software: Crimson ReLive Edition 16.12.2 / 17.1.2
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Retail boards based on this design (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
850 MHz 925 MHz 1250 MHz
Nov 19th, 2024 22:35 EST change timezone

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