AMD Radeon R9 255 OEM vs NVIDIA NVS 300

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 512MB VRAM NVS 300 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 2 years and 11 months late

Boost Clock930MHz

Larger VRAM bandwidth (73.60GB/s vs 12.64GB/s)

496 additional rendering cores

NVIDIA NVS 300 's Advantages

Lower TDP (18W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +2341%

0.952 TFLOPS

NVS 300

0.039 TFLOPS

Radeon R9 255 OEM

VS

NVS 300

Graphics Card

Dec 2013

Release Date

Jan 2011

Volcanic Islands

Generation

NVS

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

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

73.60GB/s

Bandwidth

12.64GB/s

Render Config

-

SM Count

2

8

Compute Units

-

512

Shading Units

16

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

14.88 GPixel/s

Pixel Rate

2.080 GPixel/s

29.76 GTexel/s

Texture Rate

4.160 GTexel/s

-

FP16 (half)

-

952.3 GFLOPS

FP32 (float)

39.36 GFLOPS

59.52 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

GT218

Cape Verde PRX

GPU Variant

GT218-670-B1

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.26 billion

123 mm²

Die Size

57 mm²

Board Design

65W

TDP

18W

250 W

Suggested PSU

200 W

No outputs

Outputs

1x DMS-59

1x 6-pin

Power Connectors

None

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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