NVIDIA GeForce 8800 GT Mac Edition vs ATI Radeon HD 4650

VS

NVIDIA GeForce 8800 GT Mac Edition

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT Mac Edition and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GT Mac Edition 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (57.60GB/s vs 22.40GB/s)

ATI Radeon HD 4650 's Advantages

Released 7 months late

208 additional rendering cores

Lower TDP (48W vs 125W)

Score

Benchmark

FP32 (float)

GeForce 8800 GT Mac Edition

0.336 TFLOPS

Radeon HD 4650 +14%

0.384 TFLOPS

GeForce 8800 GT Mac Edition

VS

Radeon HD 4650

Graphics Card

Feb 2008

Release Date

Sep 2008

GeForce 8

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

57.60GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

14

SM Count

-

112

Shading Units

320

56

TMUs

32

16

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

4.800 GPixel/s

33.60 GTexel/s

Texture Rate

19.20 GTexel/s

-

336.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

125W

TDP

48W

300 W

Suggested PSU

200 W

2x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

-

Graphics Processor

G92

GPU Name

RV730

G92-270-A2

GPU Variant

RV730 PRO (215-0719056)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.754 billion

Transistors

0.514 billion

324 mm²

Die Size

146 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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