GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RX 470
Core Specs
Shading Units
512
2,048
+300.0%
Shaders
512
2,048
+300.0%
TMUs
32
128
+300.0%
ROPs
16
32
+100.0%
Compute Units
8
32
+300.0%
Clocks
Base Clock
1082 MHz
926 MHz
Boost Clock
1218 MHz
1206 MHz
Memory Clock
1750 MHz
7 Gbps effective
1650 MHz
6.6 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
112.0 GB/s
211.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
19.49 GPixel/s
38.59 GPixel/s
Texture Rate
38.98 GTexel/s
154.4 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
4.940 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
308.7 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
4.940 TFLOPS (1:1)
Power
TDP
50 W
120 W
TDP (W)
50
120
+140.0%
Suggested PSU
250 W
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Lexa
Ellesmere
Generation
Polaris
(RX 500X)
Arctic Islands
(RX 400)
Process Size
14 nm
14 nm
Transistors
2,200 million
5,700 million
Die Size
103 mm²
232 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
24.6M / 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
145 mm
5.7 inches
240 mm
9.4 inches
Height
—
95 mm
3.7 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
179 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Pirate Islands
Successor
Vega
Polaris