ATI Radeon HD 4850 vs NVIDIA GeForce GTX 275 PhysX Edition

VS

ATI Radeon HD 4850

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4850 and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 's Advantages

560 additional rendering cores

Lower TDP (110W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Released 1 years and 8 months late

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 63.55GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4850 +60%

1 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon HD 4850

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Jun 2008

Release Date

Feb 2010

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

993 MHz

Memory Clock

1134 MHz

Memory

512MB

Memory Size

896MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

448bit

63.55GB/s

Bandwidth

127.0GB/s

Render Config

10

Compute Units

-

SM Count

30

800

Shading Units

240

40

TMUs

80

16

ROPs

28

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

17.72 GPixel/s

25.00 GTexel/s

Texture Rate

50.64 GTexel/s

-

1000 GFLOPS

FP32 (float)

622.1 GFLOPS

200.0 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

110W

TDP

219W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

2x DVI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV770

GPU Name

G92B

RV770 PRO (215-0669065)

GPU Variant

G92-421-B1

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.754 billion

256 mm²

Die Size

260 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

4.1

Shader Model

4.0

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