AMD Radeon Sky 500 vs NVIDIA GeForce GTX 275

VS

AMD Radeon Sky 500

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages

Released 4 years and 2 months late

More VRAM (4GB vs 896GB)

Larger VRAM bandwidth (153.6GB/s vs 127.0GB/s)

1040 additional rendering cores

Lower TDP (150W vs 219W)

Score

Benchmark

FP32 (float)

Radeon Sky 500 +260%

2.432 TFLOPS

GeForce GTX 275

0.674 TFLOPS

Radeon Sky 500

VS

GeForce GTX 275

Graphics Card

Mar 2013

Release Date

Jan 2009

Radeon Sky

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1134 MHz

Memory

4GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

153.6GB/s

Bandwidth

127.0GB/s

Render Config

20

Compute Units

-

SM Count

30

1280

Shading Units

240

80

TMUs

80

32

ROPs

28

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

224 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

17.72 GPixel/s

76.00 GTexel/s

Texture Rate

50.64 GTexel/s

-

2.432 TFLOPS

FP32 (float)

673.9 GFLOPS

152.0 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

150W

TDP

219W

450 W

Suggested PSU

550 W

1x DisplayPort 1.2

Outputs

2x DVI

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Pitcairn

GPU Name

GT200B

Pitcairn XT GL (215-0828073)

GPU Variant

G200-105-B3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

1.4 billion

212 mm²

Die Size

470 mm²

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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