NVIDIA GeForce GT 320 OEM vs ATI Radeon HD 4855

VS

NVIDIA GeForce GT 320 OEM ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 320 OEM and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 320 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (43W vs 110W)

ATI Radeon HD 4855 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 25.28GB/s)

568 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 320 OEM

0.188 TFLOPS

Radeon HD 4855 +291%

0.736 TFLOPS

GeForce GT 320 OEM

VS

Radeon HD 4855

Graphics Card

Feb 2010

Release Date

Jan 2010

GeForce 300

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

790 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.28GB/s

Bandwidth

115.2GB/s

Render Config

9

SM Count

-

Compute Units

8

72

Shading Units

640

24

TMUs

32

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

9.200 GPixel/s

12.96 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

-

187.5 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Graphics Processor

GT215

GPU Name

RV770

GT215-250-A2

GPU Variant

RV770 PRO (215-0669065)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.727 billion

Transistors

0.956 billion

144 mm²

Die Size

256 mm²

Board Design

43W

TDP

110W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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