AMD Radeon R9 255 OEM vs NVIDIA GeForce GT 320 OEM

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GT 320 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1024MB VRAM GeForce GT 320 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 3 years and 10 months late

Boost Clock930MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (73.60GB/s vs 25.28GB/s)

440 additional rendering cores

NVIDIA GeForce GT 320 OEM 's Advantages

Lower TDP (43W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +406%

0.952 TFLOPS

GeForce GT 320 OEM

0.188 TFLOPS

Radeon R9 255 OEM

VS

GeForce GT 320 OEM

Graphics Card

Dec 2013

Release Date

Feb 2010

Volcanic Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

25.28GB/s

Render Config

8

Compute Units

-

SM Count

9

512

Shading Units

72

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

4.320 GPixel/s

29.76 GTexel/s

Texture Rate

12.96 GTexel/s

-

952.3 GFLOPS

FP32 (float)

187.5 GFLOPS

59.52 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

43W

250 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

GT215

Cape Verde PRX

GPU Variant

GT215-250-A2

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.727 billion

123 mm²

Die Size

144 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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