NVIDIA GeForce RTX 5070 vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce RTX 5070

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 5070 and 1536MB VRAM GeForce GTX 660 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 5 months late

Boost Clock has increased by 184% (2520MHz vs 888MHz)

More VRAM (12GB vs 1536GB)

Larger VRAM bandwidth (532.6GB/s vs 134.4GB/s)

5248 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 +1476%

32.26 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce RTX 5070

VS

GeForce GTX 660 OEM

Graphics Card

Jan 2025

Release Date

Aug 2012

GeForce 50

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

823 MHz

2520 MHz

Boost Clock

888 MHz

1750 MHz

Memory Clock

1400 MHz

Memory

12GB

Memory Size

1536MB

GDDR7

Memory Type

GDDR5

192bit

Memory Bus

192bit

532.6GB/s

Bandwidth

134.4GB/s

Render Config

-

50

SM Count

-

6400

Shading Units

1152

200

TMUs

96

64

ROPs

24

200

Tensor Cores

-

50

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

40 MB

L2 Cache

384 KB

-

Theoretical Performance

161.3 GPixel/s

Pixel Rate

21.31 GPixel/s

504.0 GTexel/s

Texture Rate

85.25 GTexel/s

32.26 TFLOPS

FP16 (half)

-

32.26 TFLOPS

FP32 (float)

2.046 TFLOPS

504.0 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

220W

TDP

130W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB205

GPU Name

GK104

GB205

GPU Variant

GK104-200-KD-A2

Blackwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

3.54 billion

Unknown

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

10.1

CUDA

3.0

6.8

Shader Model

5.1

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