AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 680

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 680

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Released 3 years late

Lower TDP (150W vs 195W)

NVIDIA GeForce GTX 680 's Advantages

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

Larger VRAM bandwidth (192.3GB/s vs 153.6GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

GeForce GTX 680 +71%

3.25 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 680

Graphics Card

Mar 2015

Release Date

Mar 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

1006 MHz

925 MHz

Boost Clock

1058 MHz

1200 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

192.3GB/s

Render Config

16

Compute Units

-

1024

Shading Units

1536

64

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

33.86 GPixel/s

59.20 GTexel/s

Texture Rate

135.4 GTexel/s

-

1.894 TFLOPS

FP32 (float)

3.250 TFLOPS

118.4 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

150W

TDP

195W

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

GK104

Pitcairn PRO (215-0828062)

GPU Variant

GK104-400-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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