AMD Radeon RX 570 X2 vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Jun 2016
Generation
Mining GPUs
Arctic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1120 MHz
—
Boost Clock
1206 MHz
—
Memory Clock
2100 MHz
1625 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
268.8GB/s
104.0GB/s
Render Config
Compute Units
32
12
Shading Units
2048
768
TMUs
128
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
38.59 GPixel/s
16.80 GPixel/s
Texture Rate
154.4 GTexel/s
50.40 GTexel/s
FP16 (half)
4.940 TFLOPS
—
FP32 (float)
4.940 TFLOPS
1.613 TFLOPS
FP64 (double)
308.7 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Tobago
GPU Variant
Polaris 20 XL(215-0910052)
Tobago PRO(215-0875010)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.08 billion
Die Size
232 mm²
160 mm²
Board Design
TDP
180W
100W
Suggested PSU
450 W
300 W
Outputs
1x HDMI 2.0b
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin
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.