NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon Pro V420

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 1536GB)

Larger VRAM bandwidth (819.2GB/s vs 38.40GB/s)

3952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

AMD Radeon Pro V420 +3256%

13.93 TFLOPS

GeForce GT 640 OEM Rebrand

VS

AMD Radeon Pro V420

Graphics Card

Apr 2012

Release Date

Unknown

GeForce 600

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

1700 MHz

800 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

32GB

DDR3

Memory Type

HBM2

192bit

Memory Bus

4096bit

38.40GB/s

Bandwidth

819.2GB/s

Render Config

-

Compute Units

64

3

SM Count

-

144

Shading Units

4096

24

TMUs

256

24

ROPs

64

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

108.8 GPixel/s

17.28 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

414.7 GFLOPS

FP32 (float)

13.93 TFLOPS

34.56 GFLOPS

FP64 (double)

6.963 TFLOPS

Board Design

75W

TDP

300W

250 W

Suggested PSU

700 W

2x DVI 1x mini-HDMI 1.3a

Outputs

6x mini-DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF116

GPU Name

Vega 20

GF116-150-A1

GPU Variant

Vega 20 GLXT WS (215-0914026)

Fermi 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.17 billion

Transistors

13.23 billion

238 mm²

Die Size

331 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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