NVIDIA GeForce GTX 460 X2 vs AMD Radeon R9 390X

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Lower TDP (160W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 4 years and 3 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 115.2GB/s)

2480 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon R9 390X +527%

5.914 TFLOPS

GeForce GTX 460 X2

VS

Radeon R9 390X

Graphics Card

Mar 2011

Release Date

Jun 2015

GeForce 400

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

115.2GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

44

7

SM Count

-

336

Shading Units

2816

56

TMUs

176

32

ROPs

64

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

67.20 GPixel/s

39.26 GTexel/s

Texture Rate

184.8 GTexel/s

-

941.5 GFLOPS

FP32 (float)

5.914 TFLOPS

78.46 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

160W

TDP

275W

450 W

Suggested PSU

600 W

3x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF104

GPU Name

Grenada

GF104-300-KB-A1

GPU Variant

Grenada XT (215-0880004)

Fermi

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

6.2 billion

332 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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