NVIDIA GeForce GTX 650 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce GTX 650

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 's Advantages

Lower TDP (65W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 80.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650

0.812 TFLOPS

Radeon HD 8870 OEM +215%

2.56 TFLOPS

GeForce GTX 650

VS

Radeon HD 8870 OEM

Graphics Card

Sep 2012

Release Date

Jan 2013

GeForce 600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

80.00GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

384

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

32.00 GPixel/s

33.86 GTexel/s

Texture Rate

80.00 GTexel/s

-

812.5 GFLOPS

FP32 (float)

2.560 TFLOPS

33.86 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

65W

TDP

175W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Pitcairn

GK107-450-A2

GPU Variant

Pitcairn XT (215-0828047)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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