AMD Radeon R7 250X vs NVIDIA GeForce GTX 275

VS

AMD Radeon R7 250X

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X 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 R7 250X 's Advantages

Released 5 years and 1 months late

More VRAM (1024GB vs 896GB)

400 additional rendering cores

Lower TDP (80W vs 219W)

NVIDIA GeForce GTX 275 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 250X +80%

1.216 TFLOPS

GeForce GTX 275

0.674 TFLOPS

Radeon R7 250X

VS

GeForce GTX 275

Graphics Card

Feb 2014

Release Date

Jan 2009

Volcanic Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1134 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

448bit

72.00GB/s

Bandwidth

127.0GB/s

Render Config

10

Compute Units

-

SM Count

30

640

Shading Units

240

40

TMUs

80

16

ROPs

28

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

17.72 GPixel/s

38.00 GTexel/s

Texture Rate

50.64 GTexel/s

-

1216 GFLOPS

FP32 (float)

673.9 GFLOPS

76.00 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

80W

TDP

219W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

GT200B

Cape Verde XT

GPU Variant

G200-105-B3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

1.4 billion

123 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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