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
GEFORCE
CMP 70HX
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1395 MHz
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
550X
CMP 70HX
Core Specs
Shading Units
512
3,840
+650.0%
Shaders
512
3,840
+650.0%
TMUs
32
120
+275.0%
ROPs
16
64
+300.0%
Compute Units
8
—
SM Count
—
30
Clocks
Base Clock
1082 MHz
1365 MHz
Boost Clock
1218 MHz
1395 MHz
Memory Clock
1750 MHz
7 Gbps effective
1188 MHz
19 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
128 bit
256 bit
Bandwidth
112.0 GB/s
608.3 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
19.49 GPixel/s
89.28 GPixel/s
Texture Rate
38.98 GTexel/s
167.4 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
10.71 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
167.4 GFLOPS (1:64)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
10.71 TFLOPS (1:1)
AI/RT
RT Cores
—
30
Tensor Cores
—
120
Power
TDP
50 W
—
TDP (W)
50
—
Suggested PSU
250 W
200 W
Power Connectors
None
1x 12-pin
Architecture
Architecture
GCN 4.0
Ampere
GPU Name
Lexa
GA104
Generation
Polaris
(RX 500X)
Mining GPUs
Process Size
14 nm
8 nm
Transistors
2,200 million
17,400 million
Die Size
103 mm²
392 mm²
Foundry
GlobalFoundries
Samsung
Density
21.4M / mm²
44.4M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
8.6
Shader Model
6.7
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
—
Successor
Vega
—