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AMD Radeon E8870

Saturn
Graphics Processor
768
Cores
48
TMUs
16
ROPs
4096 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Radeon E8870 Photo AMD Saturn Photo
The Radeon E8870 is a graphics card by AMD, launched in September 2015. Built on the 28 nm process, and based on the Saturn graphics processor, in its Saturn PRO 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. Unlike the fully unlocked Radeon R9 M280X, which uses the same GPU but has all 896 shaders enabled, AMD has disabled some shading units on the Radeon E8870 to reach the product's target shader count. It features 768 shading units, 48 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 1000 MHz, memory is running at 1500 MHz.
Being a mxm module card, the AMD Radeon E8870 does not require any additional power connector, its power draw is rated at 75 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it.

Graphics Processor

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

Graphics Card

Release Date
Sep 29th, 2015
Generation
Embedded
(8000)
Production
Active
Bus Interface
MXM-B (3.0)

Relative Performance

8%
10%
12%
16%
19%
20%
24%
32%
32%
35%
37%
38%
43%
46%
49%
51%
53%
55%
58%
61%
63%
65%
67%
76%
77%
78%
79%
79%
80%
81%
86%
90%
92%
95%
96%
97%
98%
98%
98%
100%
100%
Radeon E8870
105%
107%
115%
117%
117%
122%
122%
126%
135%
139%
140%
142%
143%
148%
150%
151%
153%
161%
164%
166%
166%
167%
167%
181%
182%
187%
189%
190%
191%
192%
195%
196%
201%
217%
222%
228%
229%
231%
234%
239%
246%
251%
257%
261%
261%
289%
318%
323%
344%
346%
351%
355%
358%
360%
365%
367%
369%
372%
392%
400%
405%
405%
445%
453%
461%
495%
544%
563%
607%
607%
640%
749%
768%
837%
952%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
1000 MHz
Memory Clock
1500 MHz
6000 MHz effective

Memory

Memory Size
4096 MB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
96.00 GB/s

Render Config

Shading Units
768
TMUs
48
ROPs
16
Compute Units
12

Theoretical Performance

Pixel Rate
16.00 GPixel/s
Texture Rate
48.00 GTexel/s
FP32 (float) performance
1,536 GFLOPS
FP64 (double) performance
96.00 GFLOPS (1:16)

Board Design

Slot Width
MXM Module
TDP
75 W
Outputs
No outputs
Power Connectors
None
Board Number
C600

Graphics Features

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