AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 480 Core 512

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

More VRAM (3GB vs 1536GB)

Larger VRAM bandwidth (264.0GB/s vs 134.4GB/s)

1536 additional rendering cores

NVIDIA GeForce GTX 480 Core 512 's Advantages

Lower TDP (375W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +251%

3.789 TFLOPS

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 7970 X2

VS

GeForce GTX 480 Core 512

Graphics Card

Aug 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

700 MHz

Memory

3GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

134.4GB/s

Render Config

32

Compute Units

-

SM Count

16

2048

Shading Units

512

128

TMUs

64

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

16.86 GPixel/s

118.4 GTexel/s

Texture Rate

33.73 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1078 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

375W

900 W

Suggested PSU

750 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

3x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

New Zealand

GPU Name

GF100

-

GPU Variant

GF100-ES-DT1-A2

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3.1 billion

352 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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