GPU Comparison
RADEON
AMD Radeon PRO V620
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2200 MHz
TDP
300 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_opencl
geekbench_vulkan
Analysis: AMD Radeon PRO V620 vs NVIDIA RTX A400
NVIDIA RTX A400 from NVIDIA and AMD Radeon PRO V620 by AMD deliver almost matching benchmark results in every comparative comparison. Any performance differences between the cards generally land within margin of error, making any a reasonable selection. The equivalence renders the selection interesting. Other factors grow especially important. Value typically tips the scales.
When all is said and done: NVIDIA RTX A400 from NVIDIA and AMD Radeon PRO V620 by AMD are closely competitive. Neither deserves a definite recommendation over the rival. Have cost and platform considerations inform your concluding selection. The two graphics cards might serve you well. This is a safe decision.
DETAILED SPECIFICATIONS
SPECIFICATION
PRO V620
RTX A400
Core Specs
Shading Units
4,608
768
-83.3%
Shaders
4,608
768
-83.3%
TMUs
288
24
-91.7%
ROPs
128
16
-87.5%
Compute Units
72
—
SM Count
—
6
Clocks
Base Clock
1825 MHz
1417 MHz
Boost Clock
2200 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
281.6 GPixel/s
28.19 GPixel/s
Texture Rate
633.6 GTexel/s
42.29 GTexel/s
FP32 (TFLOPS)
20.28 TFLOPS
2.706 TFLOPS
FP64 (TFLOPS)
1,267.2 GFLOPS (1:16)
42.29 GFLOPS (1:64)
FP16 (TFLOPS)
40.55 TFLOPS (2:1)
2.706 TFLOPS (1:1)
AI/RT
RT Cores
72
6
-91.7%
Tensor Cores
—
24
Power
TDP
300 W
50 W
TDP (W)
300
50
-83.3%
Suggested PSU
700 W
250 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Navi 21
GA107
Generation
Radeon Pro Navi
(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
Dual-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
No outputs
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
Radeon Pro Vega
Quadro Turing
Successor
—
Workstation Ada