AMD Radeon R9 M485X vs AMD Radeon RX 470D
GPU · Specs Compare
Graphics Card
Release Date
May 2016
Oct 2016
Generation
Crystal System
Arctic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1650 MHz
Base Clock
—
926 MHz
Boost Clock
—
1206 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
211.2GB/s
Render Config
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
38.59 GPixel/s
Texture Rate
92.54 GTexel/s
135.1 GTexel/s
FP16 (half)
2.961 TFLOPS
4.322 TFLOPS
FP32 (float)
2.961 TFLOPS
4.322 TFLOPS
FP64 (double)
185.1 GFLOPS
270.1 GFLOPS
Graphics Processor
GPU Name
Amethyst
Ellesmere
GPU Variant
Amethyst XT
Polaris 10 PROD
Architecture
GCN 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
5.7 billion
Die Size
366 mm²
232 mm²
Board Design
TDP
250W
120W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Suggested PSU
—
300 W
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.