NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 1030 DDR4

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce GT 1030 DDR4

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM GeForce GT 1030 DDR4 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

Larger VRAM bandwidth (38.40GB/s vs 16.80GB/s)

NVIDIA GeForce GT 1030 DDR4 's Advantages

Released 5 years and 11 months late

Boost Clock1379MHz

More VRAM (2GB vs 1536GB)

240 additional rendering cores

Lower TDP (20W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce GT 1030 DDR4 +155%

1.059 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce GT 1030 DDR4

Graphics Card

Apr 2012

Release Date

Mar 2018

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x4

Clock Speeds

-

Base Clock

1152 MHz

-

Boost Clock

1379 MHz

800 MHz

Memory Clock

1050 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

DDR4

192bit

Memory Bus

64bit

38.40GB/s

Bandwidth

16.80GB/s

Render Config

-

3

SM Count

3

144

Shading Units

384

24

TMUs

24

ROPs

16

-

64 KB (per SM)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

22.06 GPixel/s

17.28 GTexel/s

Texture Rate

33.10 GTexel/s

-

FP16 (half)

16.55 GFLOPS

414.7 GFLOPS

FP32 (float)

1059 GFLOPS

34.56 GFLOPS

FP64 (double)

33.10 GFLOPS

Board Design

75W

TDP

20W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 2.0

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

GP108

GF116-150-A1

GPU Variant

GP108-310-A1

Fermi 2.0

Architecture

Pascal

TSMC

Foundry

Samsung

40 nm

Process Size

14 nm

1.17 billion

Transistors

1.8 billion

238 mm²

Die Size

74 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

6.1

5.1

Shader Model

6.4

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