AMD Radeon PRO W7400 vs NVIDIA Quadro K420 Full Specs

Summary

1,792 Shaders 1.1GHz	192 Shaders 780MHz
8GB GDDR6172.8GB/s	1GB DDR328.8GB/s
Peak·FP32·FP16 7.88 TFLOPS	Peak·FP32·FP16 299.5 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 55W	TDP 41W

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 Tensor FP16-32 FP64 BF16 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon PRO W740031.54 TOPSINT4 Tensor

x105.30

Quadro K420299.5 GFLOPSFP32

x1

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Theoretical Performance

Clock Speed1100MHz UC·Base·Boost·OC	Clock Speed780MHz UC·Boost·OC
Peak OPS 31.54 TOPSINT4 Tensor	Peak OPS 299.5 GFLOPSFP32
Tensor FP16-16 7.88 TFLOPS Tensor FP16-32 7.88 TFLOPS	-
BF16 15.77 TFLOPS Tensor BF16 7.88 TFLOPS	-
FP32 7.88 TFLOPS	FP32 299.5 GFLOPS
FP64 246.4 GFLOPS	FP64 12.48 GFLOPS
Tensor INT4 31.54 TOPS	Tensor INT4 -
Tensor INT8 7.88 TOPS	-
Pixel Rate 70.4 GPixel/s	Pixel Rate 12.5 GPixel/s
Texture Rate 123.2 GTexel/s	Texture Rate 12.5 GTexel/s

Core Config

Shaders 1,792 Shaders	Shaders 192 Shaders
TMUs 112 TMUs	TMUs 16 TMUs
ROPs 64 ROPs	ROPs 16 ROPs
Tensor Cores 56 T-Cores	Tensor Cores -
RT Cores 28 RT-Cores	RT Cores -
CUs 28 CUs	SM 1 SM

Clocks

Base Clock 1GHz	Base Clock -
Boost Clock 1.1GHz	Boost Clock 780MHz

Cache

L2 Cache 2MB shared	L2 Cache 128KB shared
L3 Cache 32MB shared	L3 Cache -
L3 Bandwidth 1.17TB/s	L3 Bandwidth -

Memory

8GB GDDR6	1GB DDR3
Memory Bus 128-bit	Memory Bus 128-bit
Memory Speed 10.8GT/s	Memory Speed 1.8GT/s
Memory Bandwidth 172.8GB/s	Memory Bandwidth 28.8GB/s

Power & Thermals

TDP 55W

TDP 41W

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 2.3	HDCP -

Ports

4x DisplayPort 2.1	-
-	1x DisplayPort 1.2
-	1x DVI-I Dual-Link

Encoder

Encoder Model VCN 4.0

Encoder Model NVENC 1

Decoder

Decoder Model VCN 4.0

Decoder Model NVDEC 1

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 1-Slots
Height 115 mm (4.53") Width 216 mm (8.5") Depth 20 mm (0.79")	Height 69 mm (2.72") Width 160 mm (6.3") Depth 20 mm (0.79")
Cooling Blower 1x Fan	Cooling Blower 1x Fan

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture RDNA 3	Architecture Kepler
Family Radeon PRO W	Family Quadro K
Branding	Branding
Codename Hotpink Bonefish	Codename NVE7
Chip Variant Navi 33 XL	Chip Variant -
Market Segment Workstation	Market Segment Workstation
Release Date Aug 7, 2025	Release Date Jul 22, 2014

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N6	Fabrication Node 28nm
Die Size 204mm²	Die Size 118mm²
Transistor Count 13.3 Billion	Transistor Count 1.3 Billion
Transistor Density 65.2 MTr/mm²	Transistor Density 10.76 MTr/mm²

Images

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Competitors

AMDRadeon PRO W7400 vs GPU AMDRadeon PRO W7500 AMDRadeon PRO W7400 vs GPU AMDRadeon RX 7400 AMDRadeon PRO W7400 vs GPU AMDRadeon PRO W7600 Show 12 more

NVIDIAQuadro K420 vs GPU AMDRadeon PRO W7500 NVIDIAQuadro K420 vs GPU AMDRadeon PRO W7600 NVIDIAQuadro K420 vs GPU NVIDIARTX PRO 4000 Blackwell SFF