GPU Comparison
RADEON
AMD FirePro D300
CORE STATE
Pitcairn
VRAM
2 GB
CLOCK SPEED
—
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
FirePro D300
PRO V620
Core Specs
Shading Units
1,280
4,608
+260.0%
Shaders
1,280
4,608
+260.0%
TMUs
80
288
+260.0%
ROPs
32
128
+300.0%
Compute Units
20
72
+260.0%
Clocks
Base Clock
—
1825 MHz
Boost Clock
—
2200 MHz
GPU Clock
850 MHz
—
Memory Clock
1270 MHz
5.1 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
162.6 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
27.20 GPixel/s
281.6 GPixel/s
Texture Rate
68.00 GTexel/s
633.6 GTexel/s
FP32 (TFLOPS)
2.176 TFLOPS
20.28 TFLOPS
FP64 (TFLOPS)
136.0 GFLOPS (1:16)
1,267.2 GFLOPS (1:16)
FP16 (TFLOPS)
—
40.55 TFLOPS (2:1)
AI/RT
RT Cores
—
72
Power
TDP
150 W
300 W
TDP (W)
150
300
+100.0%
Suggested PSU
450 W
700 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Pitcairn
Navi 21
Generation
FirePro Data Center
(Dx00)
Radeon Pro Navi
(Navi II Series)
Process Size
28 nm
7 nm
Transistors
2,800 million
26,800 million
Die Size
212 mm²
520 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
51.5M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Single-slot
Dual-slot
Length
242 mm
9.5 inches
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
4x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
FirePro Terascale
Radeon Pro Vega
Successor
Radeon Instinct
—