NVIDIA GeForce RTX 4070 GDDR6 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce RTX 4070 GDDR6

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 12 years and 4 months late

Boost Clock2475MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (480.0GB/s vs 91.87GB/s)

5600 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +3160%

29.15 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 4070 GDDR6

VS

GeForce GT 645 OEM

Graphics Card

Aug 2024

Release Date

Apr 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

2500 MHz

Memory Clock

957 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

192bit

480.0GB/s

Bandwidth

91.87GB/s

Render Config

-

46

SM Count

6

5888

Shading Units

288

184

TMUs

48

64

ROPs

24

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

36 MB

L2 Cache

384 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

9.312 GPixel/s

455.4 GTexel/s

Texture Rate

37.25 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

894.0 GFLOPS

455.4 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

200W

TDP

102W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 16-pin

Power Connectors

-

Graphics Processor

AD104

GPU Name

GF114

AD104-2XX-A1

GPU Variant

-

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

1.95 billion

294 mm²

Die Size

332 mm²

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

8.9

CUDA

2.1

6.8

Shader Model

5.1

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