AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 670

VS

AMD Radeon R9 390 X2 NVIDIA GeForce GTX 670

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 2GB VRAM GeForce GTX 670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 3 years and 4 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 192.3GB/s)

1216 additional rendering cores

NVIDIA GeForce GTX 670 's Advantages

Boost Clock980MHz

Lower TDP (170W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +94%

5.12 TFLOPS

GeForce GTX 670

2.634 TFLOPS

Radeon R9 390 X2

VS

GeForce GTX 670

Graphics Card

Sep 2015

Release Date

May 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

1350 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

1344

160

TMUs

112

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

27.44 GPixel/s

160.0 GTexel/s

Texture Rate

109.8 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

2.634 TFLOPS

640.0 GFLOPS

FP64 (double)

109.8 GFLOPS

Graphics Processor

Grenada

GPU Name

GK104

Grenada PRO (215-0880030)

GPU Variant

GK104-325-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

3.54 billion

438 mm²

Die Size

294 mm²

Board Design

580W

TDP

170W

950 W

Suggested PSU

450 W

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

Outputs

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

4x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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