AMD Radeon R9 260 OEM vs NVIDIA GeForce GT 640 OEM

VS

AMD Radeon R9 260 OEM NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 260 OEM 's Advantages

Released 1 years and 8 months late

Larger VRAM bandwidth (104.0GB/s vs 28.51GB/s)

512 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

More VRAM (2GB vs 1GB)

Lower TDP (50W vs 85W)

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM +222%

1.971 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon R9 260 OEM

VS

GeForce GT 640 OEM

Graphics Card

Dec 2013

Release Date

Apr 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

14

Compute Units

-

896

Shading Units

384

56

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

6.376 GPixel/s

61.60 GTexel/s

Texture Rate

25.50 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

612.1 GFLOPS

123.2 GFLOPS

FP64 (double)

25.50 GFLOPS

Graphics Processor

Bonaire

GPU Name

GK107

Bonaire XT (215-0839039)

GPU Variant

GK107-320-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.27 billion

160 mm²

Die Size

118 mm²

Board Design

85W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

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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