GPU Comparison
RADEON
AMD Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GEFORCE
RTX A4500
CORE STATE
GA102
VRAM
20 GB
CLOCK SPEED
1650 MHz
TDP
200 W
BUS WIDTH
320 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
RTX A4500
Core Specs
Shading Units
512
7,168
+1300.0%
Shaders
512
7,168
+1300.0%
TMUs
32
224
+600.0%
ROPs
16
96
+500.0%
Compute Units
8
—
SM Count
—
56
Clocks
Base Clock
1100 MHz
1050 MHz
Boost Clock
1183 MHz
1650 MHz
Memory Clock
1500 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
4 GB
20 GB
VRAM (MB)
4,096
20,480
+400.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
320 bit
Bandwidth
96.00 GB/s
640.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
6 MB
Performance
Pixel Rate
18.93 GPixel/s
158.4 GPixel/s
Texture Rate
37.86 GTexel/s
369.6 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
23.65 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
369.6 GFLOPS (1:64)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
23.65 TFLOPS (1:1)
AI/RT
RT Cores
—
56
Tensor Cores
—
224
Power
TDP
50 W
200 W
TDP (W)
50
200
+300.0%
Suggested PSU
250 W
550 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 4.0
Ampere
GPU Name
Lexa
GA102
Generation
Polaris
(RX 500X)
Workstation Ampere
(Ax000)
Process Size
14 nm
8 nm
Transistors
2,200 million
28,300 million
Die Size
103 mm²
628 mm²
Foundry
GlobalFoundries
Samsung
Density
21.4M / mm²
45.1M / 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
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Quadro Turing
Successor
Vega
Workstation Ada