AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 505 OEM

VS

AMD Radeon HD 7970 GHz Edition

NVIDIA GeForce 505 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 7970 GHz Edition 's Advantages

Boost Clock1050MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 9.600GB/s)

2032 additional rendering cores

NVIDIA GeForce 505 OEM 's Advantages

Released 7 months late

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +9457%

4.301 TFLOPS

GeForce 505 OEM

0.045 TFLOPS

Radeon HD 7970 GHz Edition

VS

GeForce 505 OEM

Graphics Card

Jun 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

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

9.600GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

32 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

2.356 GPixel/s

134.4 GTexel/s

Texture Rate

4.712 GTexel/s

-

4.301 TFLOPS

FP32 (float)

44.86 GFLOPS

1075 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GT218

Tahiti XT2 (215-0821065)

GPU Variant

GT218-300-B1

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.26 billion

352 mm²

Die Size

57 mm²

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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