NVIDIA GeForce GTX 1660 vs AMD Radeon HD 7970

VS

NVIDIA GeForce GTX 1660

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Released 7 years and 3 months late

Boost Clock1785MHz

More VRAM (6GB vs 3GB)

Lower TDP (120W vs 250W)

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 192.1GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660 +32%

5.027 TFLOPS

Radeon HD 7970

3.789 TFLOPS

3DMark Time Spy

GeForce GTX 1660 +137%

5415

Radeon HD 7970

2279

GeForce GTX 1660

VS

Radeon HD 7970

Graphics Card

Mar 2019

Release Date

Dec 2011

GeForce 16

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1530 MHz

Base Clock

-

1785 MHz

Boost Clock

-

2001 MHz

Memory Clock

1375 MHz

Memory

6GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

192.1GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

22

SM Count

-

1408

Shading Units

2048

88

TMUs

128

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

29.60 GPixel/s

157.1 GTexel/s

Texture Rate

118.4 GTexel/s

10.05 TFLOPS

FP16 (half)

-

5.027 TFLOPS

FP32 (float)

3.789 TFLOPS

157.1 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

120W

TDP

250W

300 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

TU116

GPU Name

Tahiti

TU116-300-A1

GPU Variant

Tahiti XT (215-0821060)

Turing

Architecture

GCN 1.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

6.6 billion

Transistors

4.313 billion

284 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

5.1

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