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AMD Durango
Durango
X871363-001
Die Shot
AMD's Durango GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 363 mm² and a transistor count of 5,000 million it is a large chip. Durango supports DirectX 11.2 (Feature Level 11_0). For GPU compute applications, OpenCL version 1.2 can be used. It features 896 shading units, 56 texture mapping units and 16 ROPs.
Graphics Processor
Released
Nov 22nd, 2013
GPU Name
Durango
Generation Sea Islands
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
5,000 million
Density
13.8M / mm²
Die Size
363 mm²
Package
BGA-1443
Graphics Features
DirectX
11.2 (11_0)
OpenGL
N/A
OpenCL
1.2
Vulkan
1.1
Shader Model
5.1
CLRX GCN 1.0.0
Render Config
Shading Units
896
TMUs
56
ROPs
16
Compute Units
14
Max. TDP
95 W
AMD GPU Architecture History
Graphics cards using the AMD Durango GPU
Name
Chip
Memory
Shaders
TMUs
ROPs
GPU Clock
Memory Clock
X871363-001
8 GB
768
48
16
853 MHz
1066 MHz
Durango GPU Notes
Generation: Sea Islands
CLRX: GCN 1.0
Instruction issue rate:
12 SCs * 4 SIMDs * 16 threads/clock = 768 ops/clock
FLOPs:
768 ops/clock * (1 mul + 1 add) * 800 MHz = 1.2 TFLOPS
Interpolation:
(768 ops/clock / 2 ops) * 800 MHz = 307.2 Gfloat/sec
Triangle rate:
2 tri/clock * 800 MHz = 1.6 Gtri/sec
Vertex rate:
2 vert/clock * 800 MHz = 1.6 Gvert/sec
Vertex/buffer fetch rate: (4 bytes)
4 elements/clock * 12 SCs * 800 MHz = 38.4 Gelement/sec
Vertex/Buffer data rate from cache:
38.4 Gelements/sec * 4 bytes = 153.6 GB/sec
Peak throughput from main RAM:
68.2 GB/sec
Peak throughput from ESRAM:
128 bytes/clock * 800 MHz = 102.4 GB/sec
ESRAM size:
32 MB
GSM size:
64 KB
LSM size:
12 SCs * 64 KB = 768 KB
L2 cache size:
4 x 128 KB = 512 KB (shared)
Bilinear fetch rate: (4 bytes)
4 fetches/clock * 12 SCs * 800 MHz = 38.4 Gtexels/sec
Bilinear data rate from cache:
38.4 Gtexels/sec * 4 bytes = 153.6 GB/sec
L1 cache size:
16 KB/SC * 12 SCs = 192 KB (nonshared)
Pixel clear rate:
1 8×8 tile/clock * 4 DBs * 800 MHz = 204.8 Gpixel/sec
Pixel hierarchical Z Rate:
1 8×8 tile/clock * 4 DBs * 800 MHz = 204.8 Gpixel/sec
Sample Z rate:
16 /clock * 4 DBs * 800 MHz = 51.2 Gsample/sec
Pixel rate:
4 /clock * 4 DBs * 800 MHz = 12.8 Gpixel/sec
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