GPU Comparison
RADEON
AMD Radeon RX 470
CORE STATE
Ellesmere
VRAM
4 GB
CLOCK SPEED
1206 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
VS
RADEON
Radeon RX 550
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 470
RX 550
Core Specs
Shading Units
2,048
512
-75.0%
Shaders
2,048
512
-75.0%
TMUs
128
32
-75.0%
ROPs
32
16
-50.0%
Compute Units
32
8
-75.0%
Clocks
Base Clock
926 MHz
1100 MHz
Boost Clock
1206 MHz
1183 MHz
Memory Clock
1650 MHz
6.6 Gbps effective
1750 MHz
7 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
211.2 GB/s
112.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Performance
Pixel Rate
38.59 GPixel/s
18.93 GPixel/s
Texture Rate
154.4 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
4.940 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
308.7 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
4.940 TFLOPS (1:1)
1,211.4 GFLOPS (1:1)
Power
TDP
120 W
50 W
TDP (W)
120
50
-58.3%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Ellesmere
Lexa
Generation
Arctic Islands
(RX 400)
Polaris
(RX 500)
Process Size
14 nm
14 nm
Transistors
5,700 million
2,200 million
Die Size
232 mm²
103 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
24.6M / mm²
21.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
240 mm
9.4 inches
145 mm
5.7 inches
Height
95 mm
3.7 inches
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
179 USD
79 USD
Production
End-of-life
End-of-life
Predecessor
Pirate Islands
Arctic Islands
Successor
Polaris
Vega