NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 5070

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 5070

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 12GB VRAM GeForce RTX 5070 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 220W)

NVIDIA GeForce RTX 5070 's Advantages

Released 12 years and 7 months late

Boost Clock2520MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (532.6GB/s vs 28.51GB/s)

6016 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 5070 +4555%

32.26 TFLOPS

GeForce GT 640

VS

GeForce RTX 5070

Graphics Card

Jun 2012

Release Date

Jan 2025

GeForce 600

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

891 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR7

128bit

Memory Bus

192bit

28.51GB/s

Bandwidth

532.6GB/s

Render Config

-

SM Count

50

384

Shading Units

6400

32

TMUs

200

16

ROPs

64

-

Tensor Cores

200

-

RT Cores

50

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

40 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

161.3 GPixel/s

28.86 GTexel/s

Texture Rate

504.0 GTexel/s

-

FP16 (half)

32.26 TFLOPS

692.7 GFLOPS

FP32 (float)

32.26 TFLOPS

28.86 GFLOPS

FP64 (double)

504.0 GFLOPS

Board Design

65W

TDP

220W

250 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

None

Power Connectors

1x 16-pin

Graphics Processor

GK107

GPU Name

GB205

GK107-300-A2

GPU Variant

GB205

Kepler

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

10.1

5.1

Shader Model

6.8

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