NVIDIA GeForce GTX 480 Core 512 vs ATI Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 480 Core 512

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 63.68GB/s)

ATI Radeon HD 4850 X2 's Advantages

288 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512 +7%

1.078 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 4850 X2

Graphics Card

Unknown

Release Date

Nov 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

995 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

134.4GB/s

Bandwidth

63.68GB/s

Render Config

-

Compute Units

10

16

SM Count

-

512

Shading Units

800

64

TMUs

40

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

10.00 GPixel/s

33.73 GTexel/s

Texture Rate

25.00 GTexel/s

-

1078 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF100

GPU Name

R700

GF100-ES-DT1-A2

GPU Variant

R700 PRO (215-0669065)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.956 billion

529 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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