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
GEFORCE
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6900X
RTX 4000 SFF Ada Generation
Core Specs
Shading Units
5,120
6,144
+20.0%
Shaders
5,120
6,144
+20.0%
TMUs
320
192
-40.0%
ROPs
128
64
-50.0%
Compute Units
80
—
SM Count
—
48
Clocks
Base Clock
1825 MHz
720 MHz
Boost Clock
2171 MHz
1560 MHz
Memory Clock
2000 MHz
16 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
32 GB
20 GB
VRAM (MB)
32,768
20,480
-37.5%
Memory Type
GDDR6
GDDR6
Memory Bus
256 bit
160 bit
Bandwidth
512.0 GB/s
280.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
48 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
277.9 GPixel/s
99.84 GPixel/s
Texture Rate
694.7 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
22.23 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
1,389.4 GFLOPS (1:16)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
44.46 TFLOPS (2:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
80
48
-40.0%
Tensor Cores
—
192
Power
TDP
300 W
70 W
TDP (W)
300
70
-76.7%
Suggested PSU
700 W
250 W
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Navi 21
AD104
Generation
Radeon Pro Mac
(Navi II Series)
Workstation Ada
(x000A)
Process Size
7 nm
5 nm
Transistors
26,800 million
35,800 million
Die Size
520 mm²
294 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
121.8M / 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
3.0
CUDA
—
8.9
Shader Model
6.8
6.8
Physical
Slot Width
—
Dual-slot
Length
267 mm
10.5 inches
168 mm
6.6 inches
Height
120 mm
4.7 inches
69 mm
2.7 inches
Outputs
1x HDMI 2.14x Thunderbolt
4x mini-DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 4.0 x16
Other
Launch Price
5,999 USD
—
Production
End-of-life
Active
Predecessor
—
Workstation Ampere
Successor
—
Blackwell PRO W