AMD Radeon RX Vega 64 Limited Edition vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon RX Vega 64 Limited Edition

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Limited Edition and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 50% (1546MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 144.2GB/s)

3136 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +539%

12.66 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX Vega 64 Limited Edition

VS

GeForce GTX 660 Rev. 2

Graphics Card

Aug 2017

Release Date

Sep 2014

Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

980 MHz

1546 MHz

Boost Clock

1032 MHz

945 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

192bit

483.8GB/s

Bandwidth

144.2GB/s

Render Config

64

Compute Units

-

4096

Shading Units

960

256

TMUs

80

64

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

20.64 GPixel/s

395.8 GTexel/s

Texture Rate

82.56 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

1.981 TFLOPS

791.6 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

295W

TDP

140W

600 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Vega 10

GPU Name

GK104

Vega 10 XT (215-0894200)

GPU Variant

-

GCN 5.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

3.54 billion

495 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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