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AMD Radeon R9 M280X

Saturn
Graphics Processor
896
Cores
56
TMUs
16
ROPs
4 GB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Saturn Photo
The Radeon R9 M280X is a graphics card by AMD, launched in February 2015. Built on the 28 nm process, and based on the Saturn graphics processor, in its Saturn XT variant, the card supports DirectX 12.0. The Saturn graphics processor is an average sized chip with a die area of 160 mm² and 2,080 million transistors. It features 896 shading units, 56 texture mapping units and 16 ROPs. AMD has placed 4,096 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 900 MHz, which can be boosted up to 1000 MHz, memory is running at 1375 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 R9 M280X is connected to the rest of the system using a PCI-Express 3.0 x16 interface.

Graphics Processor

GPU Name
Saturn
GPU Variant
Saturn XT
Architecture
GCN 2.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,080 million
Die Size
160 mm²

Graphics Card

Release Date
Feb 5th, 2015
Generation
Crystal System
(R9 M200)
Production
Active
Bus Interface
PCIe 3.0 x16

Relative Performance

7%
9%
11%
14%
16%
17%
21%
27%
27%
30%
32%
32%
37%
39%
42%
44%
45%
47%
50%
53%
54%
55%
57%
65%
66%
67%
68%
68%
69%
69%
73%
77%
79%
81%
82%
83%
84%
84%
84%
86%
90%
92%
98%
100%
100%
100%
Radeon R9 M280X
104%
104%
108%
115%
119%
120%
122%
123%
127%
128%
129%
132%
138%
140%
143%
143%
143%
144%
155%
156%
160%
162%
163%
164%
164%
167%
168%
172%
186%
190%
195%
196%
198%
200%
205%
210%
215%
220%
224%
224%
248%
273%
277%
295%
297%
301%
305%
307%
309%
313%
314%
316%
319%
336%
343%
347%
347%
382%
388%
395%
425%
466%
483%
520%
520%
549%
612%
642%
658%
718%
816%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
900 MHz
Boost Clock
1000 MHz
Memory Clock
1375 MHz
5500 MHz effective

Memory

Memory Size
4 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
88.00 GB/s

Render Config

Shading Units
896
TMUs
56
ROPs
16
Compute Units
14

Theoretical Performance

Pixel Rate
16.00 GPixel/s
Texture Rate
56.00 GTexel/s
FP32 (float) performance
1,792 GFLOPS
FP64 (double) performance
128.0 GFLOPS (1:14)

Board Design

TDP
unknown
Outputs
No outputs

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.5
OpenCL
2.0
Vulkan
1.1.86
Shader Model
6.0

Saturn GPU Notes

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