NVIDIA GeForce GT 640 vs AMD Radeon Pro Vega II

VS

NVIDIA GeForce GT 640

AMD Radeon Pro Vega II

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 32GB VRAM Radeon Pro Vega II to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 475W)

AMD Radeon Pro Vega II 's Advantages

Released 7 years late

Boost Clock1720MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (825.3GB/s vs 28.51GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon Pro Vega II +1933%

14.09 TFLOPS

Blender

GeForce GT 640

32

Radeon Pro Vega II +2500%

832

GeForce GT 640

VS

Radeon Pro Vega II

Graphics Card

Jun 2012

Release Date

Jun 2019

GeForce 600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1574 MHz

-

Boost Clock

1720 MHz

891 MHz

Memory Clock

806 MHz

Memory

2GB

Memory Size

32GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

4096bit

28.51GB/s

Bandwidth

825.3GB/s

Render Config

-

Compute Units

64

-

384

Shading Units

4096

32

TMUs

256

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

110.1 GPixel/s

28.86 GTexel/s

Texture Rate

440.3 GTexel/s

-

FP16 (half)

28.18 TFLOPS

692.7 GFLOPS

FP32 (float)

14.09 TFLOPS

28.86 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

65W

TDP

475W

250 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.0b 4x Thunderbolt

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

Vega 20

GK107-300-A2

GPU Variant

Vega 20 XT

Kepler

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.27 billion

Transistors

13.23 billion

118 mm²

Die Size

331 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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