AMD Radeon HD 7970 X2 vs NVIDIA GeForce 405 OEM

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 1 years and 11 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 12.64GB/s)

2032 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +8320%

3.789 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon HD 7970 X2

VS

GeForce 405 OEM

Graphics Card

Aug 2012

Release Date

Sep 2010

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

790 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

12.64GB/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

29.60 GPixel/s

Pixel Rate

2.356 GPixel/s

118.4 GTexel/s

Texture Rate

4.712 GTexel/s

-

3.789 TFLOPS

FP32 (float)

44.86 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

25W

900 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

3x 8-pin

Power Connectors

None

Graphics Processor

New Zealand

GPU Name

GT218

-

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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