AMD Radeon Pro V420 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon Pro V420

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (819.2GB/s vs 91.87GB/s)

3808 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +1458%

13.93 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

AMD Radeon Pro V420

VS

GeForce GT 645 OEM

Graphics Card

Unknown

Release Date

Apr 2012

Radeon Pro Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

800 MHz

Base Clock

-

1700 MHz

Boost Clock

-

800 MHz

Memory Clock

957 MHz

Memory

32GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

192bit

819.2GB/s

Bandwidth

91.87GB/s

Render Config

64

Compute Units

-

SM Count

6

4096

Shading Units

288

256

TMUs

48

64

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

9.312 GPixel/s

435.2 GTexel/s

Texture Rate

37.25 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

894.0 GFLOPS

6.963 TFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

300W

TDP

102W

700 W

Suggested PSU

300 W

6x mini-DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Vega 20

GPU Name

GF114

Vega 20 GLXT WS (215-0914026)

GPU Variant

-

GCN 5.1

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

13.23 billion

Transistors

1.95 billion

331 mm²

Die Size

332 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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