GPU Comparison
RADEON
AMD Radeon Pro W6600X
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2479 MHz
TDP
120 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
RADEON
Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6600X
RX 550X
Core Specs
Shading Units
2,048
512
-75.0%
Shaders
2,048
512
-75.0%
TMUs
128
32
-75.0%
ROPs
64
16
-75.0%
Compute Units
32
8
-75.0%
Clocks
Base Clock
2068 MHz
1100 MHz
Boost Clock
2479 MHz
1183 MHz
Memory Clock
2000 MHz
16 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
8 GB
4 GB
VRAM (MB)
8,192
4,096
-50.0%
Memory Type
GDDR6
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
256.0 GB/s
96.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
158.7 GPixel/s
18.93 GPixel/s
Texture Rate
317.3 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
10.15 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
634.6 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
20.31 TFLOPS (2:1)
1,211.4 GFLOPS (1:1)
AI/RT
RT Cores
32
—
Power
TDP
120 W
50 W
TDP (W)
120
50
-58.3%
Suggested PSU
300 W
250 W
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
GCN 4.0
GPU Name
Navi 23
Lexa
Generation
Radeon Pro Mac
(Navi II Series)
Polaris
(RX 500X)
Process Size
7 nm
14 nm
Transistors
11,060 million
2,200 million
Die Size
237 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
46.7M / mm²
21.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.3
OpenCL
2.1
2.1
Shader Model
6.8
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
—
145 mm
5.7 inches
Outputs
No outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 3.0 x8
Other
Launch Price
699 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Polaris
Successor
—
Vega