NVIDIA GeForce GTX 645 OEM vs ATI FirePro V7770

VS

NVIDIA GeForce GTX 645 OEM

ATI FirePro V7770

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM 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 645 OEM 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (64.00GB/s vs 33.60GB/s)

Lower TDP (65W vs 76W)

ATI FirePro V7770 's Advantages

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

FirePro V7770 +5%

1 TFLOPS

GeForce GTX 645 OEM

VS

FirePro V7770

Graphics Card

Apr 2013

Release Date

Jan 2012

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

33.60GB/s

Render Config

-

Compute Units

10

-

576

Shading Units

800

48

TMUs

40

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

5.000 GPixel/s

39.55 GTexel/s

Texture Rate

25.00 GTexel/s

-

949.2 GFLOPS

FP32 (float)

1000 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

76W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

RV770

GK106-200-A1

GPU Variant

RV770 XT (215-0669049)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.956 billion

221 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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