AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 465

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 465

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 1024MB VRAM GeForce GTX 465 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 4 years and 10 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 102.7GB/s)

672 additional rendering cores

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +121%

1.894 TFLOPS

GeForce GTX 465

0.855 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 465

Graphics Card

Mar 2015

Release Date

May 2010

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

802 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

102.7GB/s

Render Config

16

Compute Units

-

SM Count

11

1024

Shading Units

352

64

TMUs

44

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

13.38 GPixel/s

59.20 GTexel/s

Texture Rate

26.75 GTexel/s

-

1.894 TFLOPS

FP32 (float)

855.4 GFLOPS

118.4 GFLOPS

FP64 (double)

106.9 GFLOPS

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 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

GF100

Pitcairn PRO (215-0828062)

GPU Variant

GF100-030-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

3.1 billion

212 mm²

Die Size

529 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

2.0

5.1

Shader Model

5.1

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