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
RADEON
Radeon Vega 11
CORE STATE
Picasso
VRAM
System Shared
CLOCK SPEED
1400 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
12 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Vega 11
Core Specs
Shading Units
768
704
-8.3%
Shaders
768
704
-8.3%
TMUs
48
44
-8.3%
ROPs
16
8
-50.0%
Compute Units
12
11
-8.3%
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1400 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
94.08 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
—
Performance
Pixel Rate
14.51 GPixel/s
11.20 GPixel/s
Texture Rate
43.54 GTexel/s
61.60 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
1.971 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
123.2 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
3.942 TFLOPS (2:1)
Power
TDP
75 W
15 W
TDP (W)
75
15
-80.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Polaris 21
Picasso
Generation
Radeon Pro Mac
(500X Series)
Vega IGP
(Picasso)
Process Size
14 nm
12 nm
Transistors
3,000 million
4,940 million
Die Size
123 mm²
210 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
24.4M / mm²
23.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.7
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
—
GCN 3.0 IGP
Successor
—
Vega II IGP