NVIDIA GeForce GTX 275 vs ATI FirePro V7770

VS

NVIDIA GeForce GTX 275

ATI FirePro V7770

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 1024MB VRAM FirePro V7770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 33.60GB/s)

ATI FirePro V7770 's Advantages

Released 3 years late

More VRAM (1024GB vs 896GB)

560 additional rendering cores

Lower TDP (76W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

FirePro V7770 +48%

1 TFLOPS

GeForce GTX 275

VS

FirePro V7770

Graphics Card

Jan 2009

Release Date

Jan 2012

GeForce 200

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

1050 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR4

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

33.60GB/s

Render Config

-

Compute Units

10

30

SM Count

-

240

Shading Units

800

80

TMUs

40

28

ROPs

8

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

128 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

5.000 GPixel/s

50.64 GTexel/s

Texture Rate

25.00 GTexel/s

-

673.9 GFLOPS

FP32 (float)

1000 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

76W

550 W

Suggested PSU

250 W

2x DVI

Outputs

1x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200B

GPU Name

RV770

G200-105-B3

GPU Variant

RV770 XT (215-0669049)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

1.4 billion

Transistors

0.956 billion

470 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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