AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 460 v2 ES

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 460 v2 ES

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1280MB VRAM GeForce GTX 460 v2 ES 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 and 6 months late

Boost Clock925MHz

More VRAM (2GB vs 1280GB)

Larger VRAM bandwidth (153.6GB/s vs 128.3GB/s)

688 additional rendering cores

Lower TDP (150W vs 160W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +81%

1.894 TFLOPS

GeForce GTX 460 v2 ES

1.046 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 460 v2 ES

Graphics Card

Mar 2015

Release Date

Sep 2011

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

1002 MHz

Memory

2GB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

128.3GB/s

Render Config

16

Compute Units

-

SM Count

7

1024

Shading Units

336

64

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

10.91 GPixel/s

59.20 GTexel/s

Texture Rate

43.62 GTexel/s

-

1.894 TFLOPS

FP32 (float)

1046 GFLOPS

118.4 GFLOPS

FP64 (double)

87.19 GFLOPS

Board Design

150W

TDP

160W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

GF114

Pitcairn PRO (215-0828062)

GPU Variant

GF114-400-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.95 billion

212 mm²

Die Size

332 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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