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AMD Radeon RX 455 OEM

Tobago
Graphics Processor
768
Cores
48
TMUs
16
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Radeon RX 455 OEM Photo AMD Tobago Photo
The Radeon RX 455 OEM is a graphics card by AMD, launched in June 2016. Built on the 28 nm process, and based on the Tobago graphics processor, in its Tobago PRO variant, the card supports DirectX 12.0. The Tobago graphics processor is an average sized chip with a die area of 160 mm² and 2,080 million transistors. Unlike the fully unlocked Radeon R7 360 896SP, which uses the same GPU but has all 896 shaders enabled, AMD has disabled some shading units on the Radeon RX 455 OEM to reach the product's target shader count. It features 768 shading units, 48 texture mapping units and 16 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 1050 MHz, memory is running at 1625 MHz.
Being a single-slot card, the AMD Radeon RX 455 OEM draws power from 1x 6-pin power connectors, with power draw rated at 100 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x DisplayPort. Radeon RX 455 OEM is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 165 mm in length, and features a single-slot cooling solution.

Graphics Processor

GPU Name
Tobago
GPU Variant
Tobago PRO
(215-0875010)
Architecture
GCN 2.0
Process Size
28 nm
Transistors
2,080 million
Die Size
160 mm²

Graphics Card

Release Date
Jun 30th, 2016
Generation
Arctic Islands
(RX 400)
Production
Active
Bus Interface
PCIe 3.0 x16

Relative Performance

7%
10%
12%
15%
18%
19%
23%
30%
31%
33%
35%
36%
41%
44%
47%
48%
50%
52%
55%
58%
60%
62%
64%
73%
73%
75%
76%
76%
76%
77%
82%
86%
87%
90%
91%
92%
93%
93%
93%
95%
100%
100%
Radeon RX 455 OEM
102%
109%
111%
111%
116%
116%
120%
128%
132%
133%
135%
136%
141%
143%
144%
146%
153%
156%
158%
158%
159%
159%
172%
174%
178%
180%
181%
182%
183%
186%
186%
192%
206%
212%
217%
218%
220%
223%
228%
234%
239%
245%
248%
249%
275%
303%
307%
328%
330%
334%
338%
341%
343%
348%
349%
351%
354%
373%
381%
386%
386%
424%
432%
439%
472%
518%
536%
578%
578%
610%
713%
731%
797%
907%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
1050 MHz
Memory Clock
1625 MHz
6500 MHz effective

Memory

Memory Size
2048 MB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
104.0 GB/s

Render Config

Shading Units
768
TMUs
48
ROPs
16
Compute Units
12

Theoretical Performance

Pixel Rate
16.80 GPixel/s
Texture Rate
50.40 GTexel/s
FP32 (float) performance
1,613 GFLOPS
FP64 (double) performance
115.2 GFLOPS (1:14)

Board Design

Slot Width
Single-slot
Length
6.5 inches
165 mm
TDP
100 W
Outputs
1x DVI
1x HDMI
1x DisplayPort
Power Connectors
1x 6-pin
Board Number
C582,
C936

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.5
OpenCL
2.0
Vulkan
1.1.82
Shader Model
6.0

Tobago GPU Notes

Chip Variant: Bonaire
Graphics/Compute: GFX7 (gfx704)
Display Core Engine: 8.2
Unified Video Decoder: 4.2
Video Compression Engine: 2.0