AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon R9 255 OEM NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 896MB VRAM GeForce GTX 275 PhysX Edition 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

272 additional rendering cores

Lower TDP (65W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 73.60GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +53%

0.952 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Dec 2013

Release Date

Feb 2010

Volcanic Islands

Generation

GeForce 200

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

1134 MHz

Memory

2GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

448bit

73.60GB/s

Bandwidth

127.0GB/s

Render Config

-

SM Count

30

8

Compute Units

-

512

Shading Units

240

32

TMUs

80

16

ROPs

28

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

Theoretical Performance

14.88 GPixel/s

Pixel Rate

17.72 GPixel/s

29.76 GTexel/s

Texture Rate

50.64 GTexel/s

-

FP16 (half)

-

952.3 GFLOPS

FP32 (float)

622.1 GFLOPS

59.52 GFLOPS

FP64 (double)

77.76 GFLOPS

Graphics Processor

Cape Verde

GPU Name

G92B

Cape Verde PRX

GPU Variant

G92-421-B1

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.754 billion

123 mm²

Die Size

260 mm²

Board Design

65W

TDP

219W

250 W

Suggested PSU

550 W

No outputs

Outputs

2x DVI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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