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AMD Xbox One GPU
Graphics Processor
Durango
Cores
768
TMUs
48
ROPs
16
Memory Size
8 GB
Memory Type
DDR3
Bus Width
256 bit
GPU
Back
Recommended Gaming Resolutions:
1600x900
1920x1080
2560x1440
The Xbox One GPU was a high-end gaming console graphics solution by AMD, launched on November 22nd, 2013. Built on the 28 nm process, and based on the Durango graphics processor, in its X871363-001 variant, the device supports DirectX 11.2. The Durango graphics processor is a large chip with a die area of 363 mm² and 5,000 million transistors. It features 768 shading units, 48 texture mapping units, and 16 ROPs. AMD includes 8 GB DDR3 memory, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 853 MHz, memory is running at 1066 MHz. Its power draw is rated at 95 W maximum. The console's dimensions are 333 mm x 274 mm x 79 mm, and it features a igp cooling solution. Its price at launch was 499 US Dollars.
Graphics Processor
GPU Name
Durango
GPU Variant
X871363-001
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
5,000 million
Density
13.8M / mm²
Die Size
363 mm²
Chip Package
BGA-1443
Graphics Card
Release Date
Nov 22nd, 2013
Generation
Console GPU
(Microsoft)
Production
End-of-life
Launch Price
499 USD
Clock Speeds
GPU Clock
853 MHz
Memory Clock
1066 MHz
2.1 Gbps effective
Memory
Memory Size
8 GB
Memory Type
DDR3
Memory Bus
256 bit
Bandwidth
68.22 GB/s
Render Config
Shading Units
768
TMUs
48
ROPs
16
Compute Units
12
Theoretical Performance
Pixel Rate
13.65 GPixel/s
Texture Rate
40.94 GTexel/s
FP32 (float)
1,310 GFLOPS
Board Design
Length
333 mm
13.1 inches
Width
274 mm
10.8 inches
Height
79 mm
3.1 inches
Weight 3.5 kg (7.8 lbs)
Storage 500 GB HDD
TDP
95 W
Outputs
1x HDMI 1.4b
Inputs 1x HDMI 1.4b
Graphics Features
DirectX
11.2 (11_0)
OpenGL
N/A
OpenCL
1.2
Vulkan
1.1
Shader Model
5.1
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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