AMD Radeon HD 7970 vs NVIDIA GeForce GTX 1660

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 1660

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

Main Differences

AMD Radeon HD 7970 's Advantages

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

640 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce GTX 1660 +32%

5.027 TFLOPS

3DMark Time Spy

Radeon HD 7970

2279

GeForce GTX 1660 +137%

5415

Radeon HD 7970

VS

GeForce GTX 1660

Graphics Card

Dec 2011

Release Date

Mar 2019

Southern Islands

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1530 MHz

-

Boost Clock

1785 MHz

1375 MHz

Memory Clock

2001 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

192bit

264.0GB/s

Bandwidth

192.1GB/s

Render Config

32

Compute Units

-

SM Count

22

2048

Shading Units

1408

128

TMUs

88

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

85.68 GPixel/s

118.4 GTexel/s

Texture Rate

157.1 GTexel/s

-

FP16 (half)

10.05 TFLOPS

3.789 TFLOPS

FP32 (float)

5.027 TFLOPS

947.2 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

250W

TDP

120W

600 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

TU116

Tahiti XT (215-0821060)

GPU Variant

TU116-300-A1

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

6.6 billion

352 mm²

Die Size

284 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

5.1

Shader Model

6.6

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