AMD Radeon Pro V420 vs NVIDIA GeForce GT 640 OEM

VS

AMD Radeon Pro V420

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 2GB VRAM GeForce GT 640 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 2GB)

Larger VRAM bandwidth (819.2GB/s vs 28.51GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +2176%

13.93 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

AMD Radeon Pro V420

VS

GeForce GT 640 OEM

Graphics Card

Unknown

Release Date

Apr 2012

Radeon Pro Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

800 MHz

Base Clock

-

1700 MHz

Boost Clock

-

800 MHz

Memory Clock

891 MHz

Memory

32GB

Memory Size

2GB

HBM2

Memory Type

DDR3

4096bit

Memory Bus

128bit

819.2GB/s

Bandwidth

28.51GB/s

Render Config

64

Compute Units

-

4096

Shading Units

384

256

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

6.376 GPixel/s

435.2 GTexel/s

Texture Rate

25.50 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

612.1 GFLOPS

6.963 TFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Vega 20

GPU Name

GK107

Vega 20 GLXT WS (215-0914026)

GPU Variant

GK107-320-A2

GCN 5.1

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

1.27 billion

331 mm²

Die Size

118 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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