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 R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
R9 M295X
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
—
Boost Clock
1218 MHz
—
GPU Clock
—
723 MHz
Memory Clock
1750 MHz
7 Gbps effective
1250 MHz
5 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
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
23.14 GPixel/s
Texture Rate
38.98 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
2.961 TFLOPS (1:1)
Power
TDP
50 W
250 W
TDP (W)
50
250
+400.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 3.0
GPU Name
Lexa
Amethyst
Generation
Polaris
(RX 500X)
Gem System
(R9 M200)
Process Size
14 nm
28 nm
Transistors
2,200 million
5,000 million
Die Size
103 mm²
366 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.7M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1
Shader Model
6.7
6.5
Physical
Slot Width
Dual-slot
MXM Module
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Solar System
Successor
Vega
Polaris Mobile