AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce 505 OEM

VS

AMD Radeon HD 7870 GHz Edition NVIDIA GeForce 505 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 512MB VRAM GeForce 505 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

Larger VRAM bandwidth (153.6GB/s vs 9.600GB/s)

1264 additional rendering cores

NVIDIA GeForce 505 OEM 's Advantages

Released 10 months late

Lower TDP (25W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +5588%

2.56 TFLOPS

GeForce 505 OEM

0.045 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce 505 OEM

Graphics Card

Mar 2012

Release Date

Jan 2013

Southern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

2

20

Compute Units

-

1280

Shading Units

16

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.356 GPixel/s

80.00 GTexel/s

Texture Rate

4.712 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

44.86 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

GT218

Pitcairn XT (215-0828047)

GPU Variant

GT218-300-B1

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.26 billion

212 mm²

Die Size

57 mm²

Board Design

175W

TDP

25W

450 W

Suggested PSU

200 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 Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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