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 Pro 5300M
CORE STATE
Navi 14
VRAM
4 GB
CLOCK SPEED
1250 MHz
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Pro 5300M
Core Specs
Shading Units
512
1,280
+150.0%
Shaders
512
1,280
+150.0%
TMUs
32
80
+150.0%
ROPs
16
32
+100.0%
Compute Units
8
20
+150.0%
Clocks
Base Clock
1082 MHz
1000 MHz
Boost Clock
1218 MHz
1250 MHz
Memory Clock
1750 MHz
7 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
112.0 GB/s
192.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
19.49 GPixel/s
40.00 GPixel/s
Texture Rate
38.98 GTexel/s
100.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
3.200 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
200.0 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
6.400 TFLOPS (2:1)
Power
TDP
50 W
85 W
TDP (W)
50
85
+70.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
RDNA 1.0
GPU Name
Lexa
Navi 14
Generation
Polaris
(RX 500X)
Radeon Pro Mac
(Navi Mobile)
Process Size
14 nm
7 nm
Transistors
2,200 million
6,400 million
Die Size
103 mm²
158 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
40.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
—
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—