GPU Comparison
RADEON
AMD Radeon Pro 555X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GPU
Arc A530M
CORE STATE
DG2-256
VRAM
8 GB
CLOCK SPEED
1300 MHz
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
A530M
Core Specs
Shading Units
768
1,536
+100.0%
Shaders
768
1,536
+100.0%
TMUs
48
96
+100.0%
ROPs
16
48
+200.0%
Compute Units
12
—
Execution Units
—
192
Clocks
Base Clock
—
900 MHz
Boost Clock
—
1300 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
94.08 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
8 MB
Performance
Pixel Rate
14.51 GPixel/s
62.40 GPixel/s
Texture Rate
43.54 GTexel/s
124.8 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
3.994 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
—
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
7.987 TFLOPS (2:1)
AI/RT
RT Cores
—
12
XMX Cores
—
192
Power
TDP
75 W
65 W
TDP (W)
75
65
-13.3%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Xe-HPG
GPU Name
Polaris 21
DG2-256
Generation
Radeon Pro Mac
(500X Series)
Alchemist
(Arc 5 Mobile)
Process Size
14 nm
6 nm
Transistors
3,000 million
11,500 million
Die Size
123 mm²
269 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
42.8M / 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
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
Active