NVIDIA GeForce GTX 680 vs AMD Radeon R9 270

VS

NVIDIA GeForce GTX 680

AMD Radeon R9 270

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Boost Clock has increased by 14% (1058MHz vs 925MHz)

Larger VRAM bandwidth (192.3GB/s vs 179.2GB/s)

256 additional rendering cores

AMD Radeon R9 270 's Advantages

Released 1 years and 8 months late

Lower TDP (150W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +37%

3.25 TFLOPS

Radeon R9 270

2.368 TFLOPS

3DMark Time Spy

GeForce GTX 680 +24%

1999

Radeon R9 270

1603

GeForce GTX 680

VS

Radeon R9 270

Graphics Card

Mar 2012

Release Date

Nov 2013

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

900 MHz

1058 MHz

Boost Clock

925 MHz

1502 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.3GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

-

1536

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

29.60 GPixel/s

135.4 GTexel/s

Texture Rate

74.00 GTexel/s

-

3.250 TFLOPS

FP32 (float)

2.368 TFLOPS

135.4 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

195W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Curacao

GK104-400-A2

GPU Variant

Curacao PRO (215-0848000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.8 billion

294 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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