NVIDIA RTX A1000 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA RTX A1000 NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages

Released 12 years late

Boost Clock1462MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (192.0GB/s vs 38.40GB/s)

2160 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

RTX A1000 +1523%

6.737 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

RTX A1000

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2024

Release Date

Apr 2012

Quadro Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

727 MHz

Base Clock

-

1462 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1536MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

192bit

192.0GB/s

Bandwidth

38.40GB/s

Render Config

18

SM Count

3

-

Compute Units

-

2304

Shading Units

144

72

TMUs

24

32

ROPs

24

72

Tensor Cores

-

18

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

384 KB

Theoretical Performance

46.78 GPixel/s

Pixel Rate

4.320 GPixel/s

105.3 GTexel/s

Texture Rate

17.28 GTexel/s

6.737 TFLOPS

FP16 (half)

-

6.737 TFLOPS

FP32 (float)

414.7 GFLOPS

105.3 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

GA107

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

8.7 billion

Transistors

1.17 billion

200 mm²

Die Size

238 mm²

Board Design

50W

TDP

75W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.7

Shader Model

5.1

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