NVIDIA GeForce GTX 645 OEM vs ATI FireGL V7600

VS

NVIDIA GeForce GTX 645 OEM

ATI FireGL V7600

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 512MB VRAM FireGL V7600 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 5 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

256 additional rendering cores

Lower TDP (65W vs 127W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +147%

0.949 TFLOPS

FireGL V7600

0.384 TFLOPS

GeForce GTX 645 OEM

VS

FireGL V7600

Graphics Card

Apr 2013

Release Date

Aug 2007

GeForce 600

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

4

-

576

Shading Units

320

48

TMUs

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

9.600 GPixel/s

39.55 GTexel/s

Texture Rate

9.600 GTexel/s

-

949.2 GFLOPS

FP32 (float)

384.0 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

127W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

GK106

GPU Name

R600

GK106-200-A1

GPU Variant

R600 GL

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.54 billion

Transistors

0.72 billion

221 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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