AMD Radeon RX 470 vs AMD Radeon R9 M390X

GPU · Specs Compare

Products
GPU AMD Radeon RX 470 AMD · 2016-08
GPU AMD Radeon R9 M390X AMD · 2015-05
Graphics Card
Release Date
Aug 2016
May 2015
Generation
Arctic Islands
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
926 MHz
—
Boost Clock
1206 MHz
—
Memory Clock
1650 MHz
1250 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
211.2GB/s
160.0GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
38.59 GPixel/s
23.14 GPixel/s
Texture Rate
154.4 GTexel/s
92.54 GTexel/s
FP16 (half)
4.940 TFLOPS
2.961 TFLOPS
FP32 (float)
4.940 TFLOPS
2.961 TFLOPS
FP64 (double)
308.7 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Amethyst
GPU Variant
Polaris 10 PRO(215-0876204)
Amethyst XT
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
5 billion
Die Size
232 mm²
366 mm²
Board Design
TDP
120W
75W
Suggested PSU
300 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
▲ Specs Compare Data sourced from official specifications and benchmark tests.