NVIDIA GeForce GTX 660 OEM vs AMD Radeon RX Vega 64

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 8GB VRAM Radeon RX Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 295W)

AMD Radeon RX Vega 64 's Advantages

Released 5 years late

Boost Clock has increased by 74% (1546MHz vs 888MHz)

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (483.8GB/s vs 134.4GB/s)

2944 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX Vega 64 +518%

12.66 TFLOPS

GeForce GTX 660 OEM

VS

Radeon RX Vega 64

Graphics Card

Aug 2012

Release Date

Aug 2017

GeForce 600

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

1247 MHz

888 MHz

Boost Clock

1546 MHz

1400 MHz

Memory Clock

945 MHz

Memory

1536MB

Memory Size

8GB

GDDR5

Memory Type

HBM2

192bit

Memory Bus

2048bit

134.4GB/s

Bandwidth

483.8GB/s

Render Config

-

Compute Units

64

-

1152

Shading Units

4096

96

TMUs

256

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

98.94 GPixel/s

85.25 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

2.046 TFLOPS

FP32 (float)

12.66 TFLOPS

85.25 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

130W

TDP

295W

300 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK104

GPU Name

Vega 10

GK104-200-KD-A2

GPU Variant

Vega 10 XT (215-0894200)

Kepler

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

12.5 billion

294 mm²

Die Size

495 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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