GPU Comparison
RADEON
AMD Radeon Pro W6800X Duo
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
1967 MHz
TDP
400 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
GEFORCE
RTX A400
CORE STATE
GA107
VRAM
4 GB
CLOCK SPEED
1762 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6800X Duo
RTX A400
Core Specs
Shading Units
3,840
768
-80.0%
Shaders
3,840
768
-80.0%
TMUs
240
24
-90.0%
ROPs
96
16
-83.3%
Compute Units
60
—
SM Count
—
6
Clocks
Base Clock
1800 MHz
1417 MHz
Boost Clock
1967 MHz
1762 MHz
Memory Clock
2000 MHz
16 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
32 GB
4 GB
VRAM (MB)
32,768
4,096
-87.5%
Memory Type
GDDR6
GDDR6
Memory Bus
256 bit
64 bit
Bandwidth
512.0 GB/s
96.00 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
188.8 GPixel/s
28.19 GPixel/s
Texture Rate
472.1 GTexel/s
42.29 GTexel/s
FP32 (TFLOPS)
15.11 TFLOPS
2.706 TFLOPS
FP64 (TFLOPS)
944.2 GFLOPS (1:16)
42.29 GFLOPS (1:64)
FP16 (TFLOPS)
30.21 TFLOPS (2:1)
2.706 TFLOPS (1:1)
AI/RT
RT Cores
60
6
-90.0%
Tensor Cores
—
24
Power
TDP
400 W
50 W
TDP (W)
400
50
-87.5%
Suggested PSU
800 W
250 W
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Navi 21
GA107
Generation
Radeon Pro Mac
(Navi II Series)
Workstation Ampere
(Ax000)
Process Size
7 nm
8 nm
Transistors
26,800 million
8,700 million
Die Size
520 mm²
200 mm²
Foundry
TSMC
Samsung
Density
51.5M / mm²
43.5M / 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
—
8.6
Shader Model
6.8
6.8
Physical
Slot Width
Quad-slot
Single-slot
Length
267 mm
10.5 inches
163 mm
6.4 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 x8
Other
Launch Price
4,999 USD
—
Production
End-of-life
Active
Predecessor
—
Quadro Turing
Successor
—
Workstation Ada