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
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
Iris Xe MAX Graphics
Core Specs
Shading Units
768
768
0.0%
Shaders
768
768
0.0%
TMUs
48
48
0.0%
ROPs
16
24
+50.0%
Compute Units
12
—
Execution Units
—
96
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
128 bit
128 bit
Bandwidth
81.60 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
13.60 GPixel/s
39.60 GPixel/s
Texture Rate
40.80 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
5.069 TFLOPS (2:1)
Power
TDP
75 W
25 W
TDP (W)
75
25
-66.7%
Suggested PSU
—
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Generation 12.1
GPU Name
Polaris 21
DG1
Generation
Radeon Pro Mac
(500 Series)
Xe Graphics
Process Size
14 nm
10 nm
Transistors
3,000 million
—
Die Size
123 mm²
95 mm²
Foundry
GlobalFoundries
Intel
Density
24.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
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
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Graphics
Successor
—
Alchemist