NVIDIA GeForce GTX 260 vs AMD Radeon R9 390X

VS

NVIDIA GeForce GTX 260

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 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 260 's Advantages

Lower TDP (182W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 7 years late

More VRAM (8GB vs 896GB)

Larger VRAM bandwidth (384.0GB/s vs 111.9GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 260

0.477 TFLOPS

Radeon R9 390X +1139%

5.914 TFLOPS

GeForce GTX 260

VS

Radeon R9 390X

Graphics Card

Jun 2008

Release Date

Jun 2015

GeForce 200

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

999 MHz

Memory Clock

1500 MHz

Memory

896MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

512bit

111.9GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

44

24

SM Count

-

192

Shading Units

2816

64

TMUs

176

28

ROPs

64

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

67.20 GPixel/s

36.86 GTexel/s

Texture Rate

184.8 GTexel/s

-

476.9 GFLOPS

FP32 (float)

5.914 TFLOPS

59.62 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

182W

TDP

275W

450 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT200

GPU Name

Grenada

G200-100-A2

GPU Variant

Grenada XT (215-0880004)

Tesla 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

1.4 billion

Transistors

6.2 billion

576 mm²

Die Size

438 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

6.3

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