AMD Radeon R9 390X vs NVIDIA GeForce GTX 460 X2

VS

AMD Radeon R9 390X

NVIDIA GeForce GTX 460 X2

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

Main Differences

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

NVIDIA GeForce GTX 460 X2 's Advantages

Lower TDP (160W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +527%

5.914 TFLOPS

GeForce GTX 460 X2

0.942 TFLOPS

Radeon R9 390X

VS

GeForce GTX 460 X2

Graphics Card

Jun 2015

Release Date

Mar 2011

Pirate Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

115.2GB/s

Render Config

44

Compute Units

-

SM Count

7

2816

Shading Units

336

176

TMUs

56

64

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

9.814 GPixel/s

184.8 GTexel/s

Texture Rate

39.26 GTexel/s

-

5.914 TFLOPS

FP32 (float)

941.5 GFLOPS

739.2 GFLOPS

FP64 (double)

78.46 GFLOPS

Board Design

275W

TDP

160W

600 W

Suggested PSU

450 W

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

Outputs

3x DVI 1x mini-HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Grenada

GPU Name

GF104

Grenada XT (215-0880004)

GPU Variant

GF104-300-KB-A1

GCN 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

1.95 billion

438 mm²

Die Size

332 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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