NVIDIA GeForce GTX 480 vs AMD Radeon HD 7950 Boost

VS

NVIDIA GeForce GTX 480

AMD Radeon HD 7950 Boost

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

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Released 2 years and 3 months late

Boost Clock925MHz

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)

GeForce GTX 480

1.345 TFLOPS

Radeon HD 7950 Boost +146%

3.315 TFLOPS

GeForce GTX 480

VS

Radeon HD 7950 Boost

Graphics Card

Mar 2010

Release Date

Jun 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

924 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

177.4GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

15

SM Count

-

480

Shading Units

1792

60

TMUs

112

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

21.03 GPixel/s

Pixel Rate

29.60 GPixel/s

42.06 GTexel/s

Texture Rate

103.6 GTexel/s

-

1345 GFLOPS

FP32 (float)

3.315 TFLOPS

168.1 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

250W

TDP

200W

600 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

Tahiti

GF100-375-A3

GPU Variant

Tahiti PRO2 (215-0821282)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

4.313 billion

529 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.0

CUDA

-

5.1

Shader Model

5.1

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