NVIDIA Quadro K420 vs AMD Radeon PRO W7900

VS

NVIDIA Quadro K420

AMD Radeon PRO W7900

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 48GB VRAM Radeon PRO W7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 295W)

AMD Radeon PRO W7900 's Advantages

Released 8 years and 9 months late

Boost Clock2495MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (864.0GB/s vs 28.51GB/s)

5952 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K420

0.336 TFLOPS

Radeon PRO W7900 +18150%

61.32 TFLOPS

Quadro K420

VS

Radeon PRO W7900

Graphics Card

Jul 2014

Release Date

Apr 2023

Quadro

Generation

Radeon Pro Navi

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1855 MHz

-

Boost Clock

2495 MHz

891 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

48GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

384bit

28.51GB/s

Bandwidth

864.0GB/s

Render Config

-

Compute Units

96

-

192

Shading Units

6144

16

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per SMX)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

3.504 GPixel/s

Pixel Rate

479.0 GPixel/s

14.02 GTexel/s

Texture Rate

958.1 GTexel/s

-

FP16 (half)

122.6 TFLOPS

336.4 GFLOPS

FP32 (float)

61.32 TFLOPS

14.02 GFLOPS

FP64 (double)

1.916 TFLOPS

Board Design

41W

TDP

295W

200 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.2

Outputs

3x DisplayPort 2.1 1x mini-DisplayPort 2.1

None

Power Connectors

2x 8-pin

Graphics Processor

GK107

GPU Name

Navi 31

GK107-301-A2

GPU Variant

Navi 31

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.27 billion

Transistors

57.7 billion

118 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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