NVIDIA GeForce RTX 5070 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce RTX 5070 NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 5070 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 5070 's Advantages

Released 12 years and 9 months late

Boost Clock2520MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (120.0GB/s vs 91.87GB/s)

6112 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 +3508%

32.26 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 5070

VS

GeForce GT 645 OEM

Graphics Card

Jan 2025

Release Date

Apr 2012

GeForce 50

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2500 MHz

Memory Clock

957 MHz

Memory

12GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

192bit

Memory Bus

192bit

120.0GB/s

Bandwidth

91.87GB/s

Render Config

50

SM Count

6

-

Compute Units

-

6400

Shading Units

288

200

TMUs

48

64

ROPs

24

200

Tensor Cores

-

50

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

40 MB

L2 Cache

384 KB

Theoretical Performance

161.3 GPixel/s

Pixel Rate

9.312 GPixel/s

504.0 GTexel/s

Texture Rate

37.25 GTexel/s

32.26 TFLOPS

FP16 (half)

-

32.26 TFLOPS

FP32 (float)

894.0 GFLOPS

504.0 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

GB205

GPU Name

GF114

GB205

GPU Variant

-

Blackwell 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

0 nm

Process Size

40 nm

Unknown

Transistors

1.95 billion

Unknown

Die Size

332 mm²

Board Design

220W

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 Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

9.1

CUDA

2.1

6.7

Shader Model

5.1

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