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
GPU
Arc A770
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2400 MHz
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
A770
Core Specs
Shading Units
512
4,096
+700.0%
Shaders
512
4,096
+700.0%
TMUs
32
256
+700.0%
ROPs
16
128
+700.0%
Compute Units
8
—
Execution Units
—
512
Clocks
Base Clock
1100 MHz
2100 MHz
Boost Clock
1183 MHz
2400 MHz
Memory Clock
1500 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
16 MB
Performance
Pixel Rate
18.93 GPixel/s
307.2 GPixel/s
Texture Rate
37.86 GTexel/s
614.4 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
19.66 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
2.458 TFLOPS (1:8)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
39.32 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
50 W
225 W
TDP (W)
50
225
+350.0%
Suggested PSU
250 W
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 4.0
Xe-HPG
GPU Name
Lexa
DG2-512
Generation
Polaris
(RX 500X)
Alchemist
(Arc 7)
Process Size
14 nm
6 nm
Transistors
2,200 million
21,700 million
Die Size
103 mm²
406 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
53.4M / 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
Shader Model
6.7
6.6
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Launch Price
—
329 USD
Production
End-of-life
End-of-life
Predecessor
Polaris
Xe Graphics
Successor
Vega
Battlemage