AMD Radeon R9 270X vs NVIDIA GeForce GTX 460

VS

AMD Radeon R9 270X

NVIDIA GeForce GTX 460

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 768MB VRAM GeForce GTX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages

Released 3 years and 3 months late

Boost Clock1050MHz

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (179.2GB/s vs 86.40GB/s)

944 additional rendering cores

NVIDIA GeForce GTX 460 's Advantages

Lower TDP (160W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +196%

2.688 TFLOPS

GeForce GTX 460

0.907 TFLOPS

Radeon R9 270X

VS

GeForce GTX 460

Graphics Card

Oct 2013

Release Date

Jul 2010

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1400 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

768MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

179.2GB/s

Bandwidth

86.40GB/s

Render Config

20

Compute Units

-

SM Count

7

1280

Shading Units

336

80

TMUs

56

32

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

9.450 GPixel/s

84.00 GTexel/s

Texture Rate

37.80 GTexel/s

-

2.688 TFLOPS

FP32 (float)

907.2 GFLOPS

168.0 GFLOPS

FP64 (double)

75.60 GFLOPS

Board Design

180W

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

2x 6-pin

Power Connectors

-

Graphics Processor

Curacao

GPU Name

GF104

Curacao XT (215-0848004)

GPU Variant

GF104-300-KB-A1

GCN 1.0

Architecture

Fermi

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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