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
RADEON
Radeon RX 6650M XT
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2416 MHz
TDP
120 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
RX 6650M XT
Core Specs
Shading Units
768
2,048
+166.7%
Shaders
768
2,048
+166.7%
TMUs
48
128
+166.7%
ROPs
16
64
+300.0%
Compute Units
12
32
+166.7%
Clocks
Base Clock
—
2068 MHz
Boost Clock
—
2416 MHz
GPU Clock
850 MHz
—
Game Clock
—
2162 MHz
Memory Clock
1275 MHz
5.1 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
81.60 GB/s
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
2 MB
L3 Cache
—
32 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
13.60 GPixel/s
154.6 GPixel/s
Texture Rate
40.80 GTexel/s
309.2 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
9.896 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
618.5 GFLOPS (1:16)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
19.79 TFLOPS (2:1)
AI/RT
RT Cores
—
32
Power
TDP
75 W
120 W
TDP (W)
75
120
+60.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
RDNA 2.0
GPU Name
Polaris 21
Navi 23
Generation
Radeon Pro Mac
(500 Series)
Navi Mobile
(RX 6000M)
Process Size
14 nm
7 nm
Transistors
3,000 million
11,060 million
Die Size
123 mm²
237 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
46.7M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
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
Predecessor
—
Polaris Mobile