AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GT 330 OEM

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce GT 330 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM GeForce GT 330 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

1184 additional rendering cores

NVIDIA GeForce GT 330 OEM 's Advantages

Lower TDP (75W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +966%

2.56 TFLOPS

GeForce GT 330 OEM

0.24 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GT 330 OEM

Graphics Card

Mar 2012

Release Date

Feb 2010

Southern Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

51.20GB/s

Render Config

20

Compute Units

-

SM Count

12

1280

Shading Units

96

80

TMUs

48

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

4.000 GPixel/s

80.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

2.560 TFLOPS

FP32 (float)

240.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

75W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

G92

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.754 billion

212 mm²

Die Size

324 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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