NVIDIA GeForce GTX 275 vs ATI FirePro V7900 SDI

VS

NVIDIA GeForce GTX 275

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 896GB)

Larger VRAM bandwidth (160.0GB/s vs 127.0GB/s)

1040 additional rendering cores

Lower TDP (150W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

FirePro V7900 SDI +175%

1.856 TFLOPS

GeForce GTX 275

VS

FirePro V7900 SDI

Graphics Card

Jan 2009

Release Date

May 2011

GeForce 200

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

1250 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

20

30

SM Count

-

240

Shading Units

1280

80

TMUs

80

28

ROPs

32

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

512 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

23.20 GPixel/s

50.64 GTexel/s

Texture Rate

58.00 GTexel/s

-

673.9 GFLOPS

FP32 (float)

1.856 TFLOPS

84.24 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

219W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI

Outputs

4x SDI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200B

GPU Name

Cayman

G200-105-B3

GPU Variant

Cayman PRO GL

Tesla 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

2.64 billion

470 mm²

Die Size

389 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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