AMD Radeon RX Vega 64 Limited Edition vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon RX Vega 64 Limited Edition

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Limited Edition and 2GB VRAM GeForce GTX 660 Ti 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 5 years late

Boost Clock has increased by 58% (1546MHz vs 980MHz)

More VRAM (8GB vs 2GB)

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

2752 additional rendering cores

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +380%

12.66 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon RX Vega 64 Limited Edition

VS

GeForce GTX 660 Ti

Graphics Card

Aug 2017

Release Date

Aug 2012

Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

915 MHz

1546 MHz

Boost Clock

980 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

1344

256

TMUs

112

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

27.44 GPixel/s

395.8 GTexel/s

Texture Rate

109.8 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

2.634 TFLOPS

791.6 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

295W

TDP

150W

600 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

Vega 10

GPU Name

GK104

Vega 10 XT (215-0894200)

GPU Variant

GK104-300-KD-A2

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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