ATI Radeon HD 3850 AGP vs NVIDIA GeForce 8500 GT

VS

ATI Radeon HD 3850 AGP

NVIDIA GeForce 8500 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 256MB VRAM GeForce 8500 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Released 9 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (52.99GB/s vs 12.80GB/s)

304 additional rendering cores

NVIDIA GeForce 8500 GT 's Advantages

Lower TDP (30W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP +1375%

0.428 TFLOPS

GeForce 8500 GT

0.029 TFLOPS

Radeon HD 3850 AGP

VS

GeForce 8500 GT

Graphics Card

Jan 2008

Release Date

Apr 2007

Radeon R600

Generation

GeForce 8

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

52.99GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

16

TMUs

8

16

ROPs

4

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

1.836 GPixel/s

10.69 GTexel/s

Texture Rate

3.672 GTexel/s

-

427.5 GFLOPS

FP32 (float)

29.38 GFLOPS

85.50 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

30W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

G86

RV670 PRO (215-0708003)

GPU Variant

G86-300-A2

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.666 billion

Transistors

0.21 billion

192 mm²

Die Size

127 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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