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
GEFORCE
A2
CORE STATE
GA107
VRAM
16 GB
CLOCK SPEED
1770 MHz
TDP
60 W
BUS WIDTH
128 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
A2
Core Specs
Shading Units
768
1,280
+66.7%
Shaders
768
1,280
+66.7%
TMUs
48
40
-16.7%
ROPs
16
32
+100.0%
Compute Units
12
—
SM Count
—
10
Clocks
Base Clock
—
1440 MHz
Boost Clock
—
1770 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
1563 MHz
12.5 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
81.60 GB/s
200.1 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
56.64 GPixel/s
Texture Rate
40.80 GTexel/s
70.80 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
4.531 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
70.80 GFLOPS (1:64)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
4.531 TFLOPS (1:1)
AI/RT
RT Cores
—
10
Tensor Cores
—
40
Power
TDP
75 W
60 W
TDP (W)
75
60
-20.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Ampere
GPU Name
Polaris 21
GA107
Generation
Radeon Pro Mac
(500 Series)
Workstation Ampere
(Ax000)
Process Size
14 nm
8 nm
Transistors
3,000 million
8,700 million
Die Size
123 mm²
200 mm²
Foundry
GlobalFoundries
Samsung
Density
24.4M / mm²
43.5M / 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
CUDA
—
8.6
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Single-slot
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
—
Quadro Turing
Successor
—
Workstation Ada