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 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6900X
RX 6600 LE
Core Specs
Shading Units
5,120
1,792
-65.0%
Shaders
5,120
1,792
-65.0%
TMUs
320
112
-65.0%
ROPs
128
64
-50.0%
Compute Units
80
28
-65.0%
Clocks
Base Clock
1825 MHz
1626 MHz
Boost Clock
2171 MHz
2495 MHz
Game Clock
—
2045 MHz
Memory Clock
2000 MHz
16 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
32 GB
8 GB
VRAM (MB)
32,768
8,192
-75.0%
Memory Type
GDDR6
GDDR6
Memory Bus
256 bit
128 bit
Bandwidth
512.0 GB/s
224.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
32 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
277.9 GPixel/s
159.7 GPixel/s
Texture Rate
694.7 GTexel/s
279.4 GTexel/s
FP32 (TFLOPS)
22.23 TFLOPS
8.942 TFLOPS
FP64 (TFLOPS)
1,389.4 GFLOPS (1:16)
558.9 GFLOPS (1:16)
FP16 (TFLOPS)
44.46 TFLOPS (2:1)
17.88 TFLOPS (2:1)
AI/RT
RT Cores
80
28
-65.0%
Power
TDP
300 W
132 W
TDP (W)
300
132
-56.0%
Suggested PSU
700 W
300 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Navi 21
Navi 23
Generation
Radeon Pro Mac
(Navi II Series)
Navi II
(RX 6000)
Process Size
7 nm
7 nm
Transistors
26,800 million
11,060 million
Die Size
520 mm²
237 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
46.7M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
2.1
Shader Model
6.8
6.8
Physical
Slot Width
—
Dual-slot
Length
267 mm
10.5 inches
190 mm
7.5 inches
Height
120 mm
4.7 inches
110 mm
4.3 inches
Outputs
1x HDMI 2.14x Thunderbolt
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 4.0 x8
Other
Launch Price
5,999 USD
—
Production
End-of-life
Active
Predecessor
—
Navi
Successor
—
Navi III