NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX 6700

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon RX 6700

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 10GB VRAM Radeon RX 6700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 175W)

AMD Radeon RX 6700 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 176% (2450MHz vs 888MHz)

More VRAM (10GB vs 1536GB)

Larger VRAM bandwidth (320.0GB/s vs 134.4GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 6700 +451%

11.29 TFLOPS

GeForce GTX 660 OEM

VS

Radeon RX 6700

Graphics Card

Aug 2012

Release Date

Jun 2021

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

823 MHz

Base Clock

1941 MHz

888 MHz

Boost Clock

2450 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

160bit

134.4GB/s

Bandwidth

320.0GB/s

Render Config

-

Compute Units

36

-

1152

Shading Units

2304

96

TMUs

144

24

ROPs

64

-

RT Cores

36

16 KB (per SMX)

L1 Cache

128 KB per Array

384 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

156.8 GPixel/s

85.25 GTexel/s

Texture Rate

352.8 GTexel/s

-

FP16 (half)

22.58 TFLOPS

2.046 TFLOPS

FP32 (float)

11.29 TFLOPS

85.25 GFLOPS

FP64 (double)

705.6 GFLOPS

Board Design

130W

TDP

175W

300 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK104

GPU Name

Navi 22

GK104-200-KD-A2

GPU Variant

Navi 22 XTL

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

17.2 billion

294 mm²

Die Size

335 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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