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 VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6900X
VII
Core Specs
Shading Units
5,120
3,840
-25.0%
Shaders
5,120
3,840
-25.0%
TMUs
320
240
-25.0%
ROPs
128
64
-50.0%
Compute Units
80
60
-25.0%
Clocks
Base Clock
1825 MHz
1400 MHz
Boost Clock
2171 MHz
1750 MHz
Memory Clock
2000 MHz
16 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
32 GB
16 GB
VRAM (MB)
32,768
16,384
-50.0%
Memory Type
GDDR6
HBM2
Memory Bus
256 bit
4096 bit
Bandwidth
512.0 GB/s
1.02 TB/s
Cache
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
277.9 GPixel/s
112.0 GPixel/s
Texture Rate
694.7 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
22.23 TFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
1,389.4 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
44.46 TFLOPS (2:1)
26.88 TFLOPS (2:1)
AI/RT
RT Cores
80
—
Power
TDP
300 W
295 W
TDP (W)
300
295
-1.7%
Suggested PSU
700 W
600 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
RDNA 2.0
GCN 5.1
GPU Name
Navi 21
Vega 20
Generation
Radeon Pro Mac
(Navi II Series)
Vega II
(Radeon VII)
Process Size
7 nm
7 nm
Transistors
26,800 million
13,230 million
Die Size
520 mm²
331 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
40.0M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
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
280 mm
11 inches
Height
120 mm
4.7 inches
125 mm
4.9 inches
Outputs
1x HDMI 2.14x Thunderbolt
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 3.0 x16
Other
Launch Price
5,999 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
—
Vega
Successor
—
Navi