AMD Radeon HD 8870 OEM vs NVIDIA GeForce GTX 650 Ti OEM

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce GTX 650 Ti OEM

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

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 86.40GB/s)

512 additional rendering cores

NVIDIA GeForce GTX 650 Ti OEM 's Advantages

Lower TDP (110W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +79%

2.56 TFLOPS

GeForce GTX 650 Ti OEM

1.425 TFLOPS

Radeon HD 8870 OEM

VS

GeForce GTX 650 Ti OEM

Graphics Card

Jan 2013

Release Date

Mar 2013

Sea Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

86.40GB/s

Render Config

20

Compute Units

-

1280

Shading Units

768

80

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

14.85 GPixel/s

80.00 GTexel/s

Texture Rate

59.39 GTexel/s

-

2.560 TFLOPS

FP32 (float)

1425 GFLOPS

160.0 GFLOPS

FP64 (double)

59.39 GFLOPS

Board Design

175W

TDP

110W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

GK106

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.54 billion

212 mm²

Die Size

221 mm²

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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