NVIDIA GeForce GTX 470 X2 vs ATI Radeon HD 4850

VS

NVIDIA GeForce GTX 470 X2

ATI Radeon HD 4850

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 470 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (107.1GB/s vs 63.55GB/s)

ATI Radeon HD 4850 's Advantages

448 additional rendering cores

Lower TDP (110W vs 215W)

Score

Benchmark

FP32 (float)

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 4850 +16%

1 TFLOPS

GeForce GTX 470 X2

VS

Radeon HD 4850

Graphics Card

Unknown

Release Date

Jun 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

837 MHz

Memory Clock

993 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

107.1GB/s

Bandwidth

63.55GB/s

Render Config

-

Compute Units

10

11

SM Count

-

352

Shading Units

800

44

TMUs

40

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

10.00 GPixel/s

26.75 GTexel/s

Texture Rate

25.00 GTexel/s

-

855.4 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

215W

TDP

110W

550 W

Suggested PSU

300 W

3x DVI

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF100

GPU Name

RV770

GF100-030-A3

GPU Variant

RV770 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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