GPU Comparison
RADEON
AMD Radeon Pro W6900X
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2171 MHz
TDP
300 W
BUS WIDTH
256 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 W6900X
RX 550X
Core Specs
Shading Units
5,120
512
-90.0%
Shaders
5,120
512
-90.0%
TMUs
320
32
-90.0%
ROPs
128
16
-87.5%
Compute Units
80
8
-90.0%
Clocks
Base Clock
1825 MHz
1100 MHz
Boost Clock
2171 MHz
1183 MHz
Memory Clock
2000 MHz
16 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
32 GB
4 GB
VRAM (MB)
32,768
4,096
-87.5%
Memory Type
GDDR6
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
512.0 GB/s
96.00 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
277.9 GPixel/s
18.93 GPixel/s
Texture Rate
694.7 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
22.23 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
1,389.4 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
44.46 TFLOPS (2:1)
1,211.4 GFLOPS (1:1)
AI/RT
RT Cores
80
—
Power
TDP
300 W
50 W
TDP (W)
300
50
-83.3%
Suggested PSU
700 W
250 W
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
GCN 4.0
GPU Name
Navi 21
Lexa
Generation
Radeon Pro Mac
(Navi II Series)
Polaris
(RX 500X)
Process Size
7 nm
14 nm
Transistors
26,800 million
2,200 million
Die Size
520 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
51.5M / 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
Length
267 mm
10.5 inches
145 mm
5.7 inches
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.14x Thunderbolt
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 3.0 x8
Other
Launch Price
5,999 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Polaris
Successor
—
Vega