GPU Comparison
RADEON
AMD Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
GPU
Arc A370M
CORE STATE
DG2-128
VRAM
4 GB
CLOCK SPEED
2050 MHz
TDP
35 W
BUS WIDTH
64 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
A370M
Core Specs
Shading Units
768
1,024
+33.3%
Shaders
768
1,024
+33.3%
TMUs
48
64
+33.3%
ROPs
16
32
+100.0%
Compute Units
12
—
Execution Units
—
128
Clocks
Base Clock
—
1550 MHz
Boost Clock
—
2050 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
81.60 GB/s
112.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
4 MB
Performance
Pixel Rate
13.60 GPixel/s
65.60 GPixel/s
Texture Rate
40.80 GTexel/s
131.2 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
4.198 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
1,049.6 GFLOPS (1:4)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
8.397 TFLOPS (2:1)
AI/RT
RT Cores
—
8
XMX Cores
—
128
Power
TDP
75 W
35 W
TDP (W)
75
35
-53.3%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Xe-HPG
GPU Name
Polaris 21
DG2-128
Generation
Radeon Pro Mac
(500 Series)
Alchemist
(Arc 3 Mobile)
Process Size
14 nm
6 nm
Transistors
3,000 million
7,200 million
Die Size
123 mm²
157 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
45.9M / 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
End-of-life