AMD Radeon HD 8990 OEM vs NVIDIA GeForce GTX 1660 SUPER

VS

AMD Radeon HD 8990 OEM

NVIDIA GeForce GTX 1660 SUPER

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 6GB VRAM GeForce GTX 1660 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8990 OEM 's Advantages

640 additional rendering cores

NVIDIA GeForce GTX 1660 SUPER 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 78% (1785MHz vs 1000MHz)

More VRAM (6GB vs 3GB)

Larger VRAM bandwidth (336.0GB/s vs 288.0GB/s)

Lower TDP (125W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

GeForce GTX 1660 SUPER +22%

5.027 TFLOPS

Radeon HD 8990 OEM

VS

GeForce GTX 1660 SUPER

Graphics Card

Apr 2013

Release Date

Oct 2019

Sea Islands

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1530 MHz

1000 MHz

Boost Clock

1785 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

192bit

288.0GB/s

Bandwidth

336.0GB/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

32.00 GPixel/s

Pixel Rate

85.68 GPixel/s

128.0 GTexel/s

Texture Rate

157.1 GTexel/s

-

FP16 (half)

10.05 TFLOPS

4.096 TFLOPS

FP32 (float)

5.027 TFLOPS

1024 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

375W

TDP

125W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Malta

GPU Name

TU116

Malta XT (215-0849026)

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

365 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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