AMD Radeon HD 7950 Mac Edition vs NVIDIA GeForce GTX 480

VS

AMD Radeon HD 7950 Mac Edition

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 3 years late

More VRAM (3GB vs 1536GB)

Larger VRAM bandwidth (240.0GB/s vs 177.4GB/s)

1312 additional rendering cores

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +113%

2.867 TFLOPS

GeForce GTX 480

1.345 TFLOPS

Radeon HD 7950 Mac Edition

VS

GeForce GTX 480

Graphics Card

Mar 2013

Release Date

Mar 2010

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

924 MHz

Memory

3GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

177.4GB/s

Render Config

28

Compute Units

-

SM Count

15

1792

Shading Units

480

112

TMUs

60

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

21.03 GPixel/s

89.60 GTexel/s

Texture Rate

42.06 GTexel/s

-

2.867 TFLOPS

FP32 (float)

1345 GFLOPS

716.8 GFLOPS

FP64 (double)

168.1 GFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GF100

Tahiti PRO (215-0821056)

GPU Variant

GF100-375-A3

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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