AMD Radeon R9 270 vs NVIDIA GeForce GTX 650

VS

AMD Radeon R9 270 NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 1 years and 2 months late

Boost Clock925MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (179.2GB/s vs 80.00GB/s)

896 additional rendering cores

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 +191%

2.368 TFLOPS

GeForce GTX 650

0.812 TFLOPS

Radeon R9 270

VS

GeForce GTX 650

Graphics Card

Nov 2013

Release Date

Sep 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

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

8.464 GPixel/s

74.00 GTexel/s

Texture Rate

33.86 GTexel/s

-

FP16 (half)

-

2.368 TFLOPS

FP32 (float)

812.5 GFLOPS

148.0 GFLOPS

FP64 (double)

33.86 GFLOPS

Graphics Processor

Curacao

GPU Name

GK107

Curacao PRO (215-0848000)

GPU Variant

GK107-450-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

1x 6-pin

Power Connectors

1x 6-pin

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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