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AMD Radeon R9 M295X Mac Edition

Graphics Processor
Amethyst
Cores
2048
TMUs
128
ROPs
32
Memory Size
4 GB
Memory Type
GDDR5
Bus Width
256 bit
The Radeon R9 M295X Mac Edition was a graphics card by AMD, launched in November 2014. Built on the 28 nm process, and based on the Amethyst graphics processor, in its Amethyst XT variant, the card supports DirectX 12.0. The Amethyst graphics processor is a large chip with a die area of 366 mm² and 5,000 million transistors. It features 2048 shading units, 128 texture mapping units and 32 ROPs. AMD has placed 4,096 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 850 MHz, memory is running at 1362 MHz.
Being a mxm module card, its power draw is rated at 250 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it.

Graphics Processor

GPU Name
Amethyst
GPU Variant
Amethyst XT
Architecture
GCN 3.0
Foundry
TSMC
Process Size
28 nm
Transistors
5,000 million
Die Size
366 mm²

Graphics Card

Release Date
Nov 23rd, 2014
Generation
Crystal System
(R9 M200)
Production
End-of-life
Bus Interface
MXM-B (3.0)

Relative Performance

3%
GeForce 210
4%
GeForce 9400 GT
5%
Radeon HD 4550
7%
Radeon HD 5450
8%
Radeon HD 6450
9%
GeForce GT 520
11%
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
22%
GeForce GT 640
22%
GeForce 9800 GT
23%
Radeon HD 6670
24%
Radeon HD 4830
26%
Radeon HD 4770
27%
Radeon HD 4850
27%
GeForce GTS 250
28%
GeForce GTS 450
29%
Radeon HD 5750
33%
Radeon HD 7750
34%
Radeon HD 5770
34%
GeForce GTX 260
35%
Radeon HD 4870
35%
Radeon Vega 8
35%
GeForce GTX 550 Ti
35%
GeForce GTX 650
38%
Radeon HD 5830
39%
Radeon HD 6790
40%
Radeon HD 4890
42%
GeForce GTX 460
42%
Radeon RX Vega 11
42%
GeForce GT 1030
43%
GeForce GTX 275
43%
Radeon HD 7770 GHz Edition
43%
GeForce GTX 280
44%
GeForce GTX 465
46%
Radeon HD 6850
47%
GeForce GTX 285
50%
Radeon HD 5850
51%
GeForce GTX 650 Ti
51%
Radeon HD 7790
53%
Radeon RX 550
53%
GeForce GTX 470
55%
Radeon HD 6870
59%
Radeon HD 5870
61%
GeForce GTX 560 Ti
61%
Radeon HD 4870 X2
62%
GeForce GTX 750 Ti
63%
Radeon HD 6950
65%
GeForce GTX 295
66%
GeForce GTX 650 Ti Boost
66%
Radeon HD 7850
67%
GeForce GTX 480
70%
Radeon HD 6970
72%
Radeon R7 265
73%
Radeon R7 370
73%
Radeon RX 560
73%
GeForce GTX 660
73%
GeForce GTX 570
79%
GeForce GTX 950
80%
Radeon HD 7870 GHz Edition
82%
Radeon R9 270X
83%
GeForce GTX 660 Ti
83%
GeForce GTX 580
84%
GeForce GTX 1050
84%
Radeon HD 7950
86%
Radeon RX 460
86%
Radeon HD 5970
88%
GeForce GTX 760
95%
GeForce GTX 670
97%
GeForce GTX 960
100%
Radeon R9 380
100%
Radeon R9 M295X Mac Edition
100%
Radeon R9 285
101%
Radeon HD 7970
102%
GeForce GTX 680
105%
GeForce GTX 1050 Ti
108%
GeForce GTX 770
110%
Radeon HD 6990
113%
Radeon R9 280X
114%
GeForce GTX 590
114%
Radeon HD 7970 GHz Edition
127%
GeForce GTX 780
131%
GeForce GTX 1650
139%
Radeon RX 470
141%
Radeon R9 290
151%
Radeon R9 390
152%
Radeon R9 290X
154%
GeForce GTX 970
156%
GeForce GTX TITAN
157%
Radeon RX 570
158%
GeForce GTX 780 Ti
160%
Radeon R9 390X
161%
Radeon HD 7990
162%
Radeon RX 480
163%
GeForce GTX 690
172%
Radeon RX 580
175%
GeForce GTX 980
178%
GeForce GTX 1060 6 GB
178%
Radeon R9 FURY
178%
Radeon RX 590
195%
Radeon R9 295X2
199%
Radeon R9 FURY X
202%
GeForce GTX 980 Ti
217%
GeForce GTX TITAN X
228%
GeForce GTX 1660 Ti
229%
GeForce GTX 1070
239%
Radeon RX Vega 56
259%
GeForce GTX 1070 Ti
266%
Radeon RX Vega 64
266%
GeForce RTX 2060
273%
GeForce GTX 1080
313%
GeForce RTX 2070
313%
Radeon VII
328%
TITAN X Pascal
337%
GeForce GTX 1080 Ti
364%
GeForce RTX 2080
421%
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
850 MHz
Memory Clock
1362 MHz
5448 MHz effective

Memory

Memory Size
4 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
174.3 GB/s

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
27.20 GPixel/s
Texture Rate
108.8 GTexel/s
FP16 (half) performance
3.482 TFLOPS (1:1)
FP32 (float) performance
3.482 TFLOPS
FP64 (double) performance
217.6 GFLOPS (1:16)

Board Design

Slot Width
MXM Module
TDP
250 W
Outputs
No outputs

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.1.101
Shader Model
6.3

Amethyst GPU Notes

Architecture Codename: Volcanic Islands
Chip Variant: Tonga
CLRX Version: GCN 1.2
Graphics/Compute: GFX8 (gfx802)
Display Core Engine: 10.0
Unified Video Decoder: 5.0
Video Compression Engine: 3.0