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 Vega 64
CORE STATE
Vega 10
VRAM
8 GB
CLOCK SPEED
1546 MHz
TDP
295 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
550X
RX Vega 64
Core Specs
Shading Units
512
4,096
+700.0%
Shaders
512
4,096
+700.0%
TMUs
32
256
+700.0%
ROPs
16
64
+300.0%
Compute Units
8
64
+700.0%
Clocks
Base Clock
1082 MHz
1247 MHz
Boost Clock
1218 MHz
1546 MHz
Memory Clock
1750 MHz
7 Gbps effective
945 MHz
1890 Mbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
2048 bit
Bandwidth
112.0 GB/s
483.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
19.49 GPixel/s
98.94 GPixel/s
Texture Rate
38.98 GTexel/s
395.8 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
12.66 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
791.6 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
25.33 TFLOPS (2:1)
Power
TDP
50 W
295 W
TDP (W)
50
295
+490.0%
Suggested PSU
250 W
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Lexa
Vega 10
Generation
Polaris
(RX 500X)
Vega
(RX Vega)
Process Size
14 nm
14 nm
Transistors
2,200 million
12,500 million
Die Size
103 mm²
495 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / mm²
25.3M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
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
280 mm
11 inches
Height
—
111 mm
4.4 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
—
499 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Polaris
Successor
Vega
Navi