AMD Radeon R7 260 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon R7 260

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260 's Advantages

Released 1 years and 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 91.87GB/s)

480 additional rendering cores

Lower TDP (95W vs 102W)

Score

Benchmark

FP32 (float)

Radeon R7 260 +71%

1.536 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon R7 260

VS

GeForce GT 645 OEM

Graphics Card

Dec 2013

Release Date

Apr 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

91.87GB/s

Render Config

12

Compute Units

-

SM Count

6

768

Shading Units

288

48

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

9.312 GPixel/s

48.00 GTexel/s

Texture Rate

37.25 GTexel/s

-

1.536 TFLOPS

FP32 (float)

894.0 GFLOPS

96.00 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

95W

TDP

102W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

Bonaire

GPU Name

GF114

Bonaire PRO

GPU Variant

-

GCN 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.95 billion

160 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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