ATI FireGL V8600 vs NVIDIA GeForce GT 640

VS

ATI FireGL V8600

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1024MB VRAM FireGL V8600 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FireGL V8600 's Advantages

Larger VRAM bandwidth (111.1GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 's Advantages

Released 5 years and 1 months late

More VRAM (2GB vs 1024GB)

64 additional rendering cores

Lower TDP (65W vs 159W)

Score

Benchmark

FP32 (float)

FireGL V8600

0.44 TFLOPS

GeForce GT 640 +57%

0.693 TFLOPS

FireGL V8600

VS

GeForce GT 640

Graphics Card

May 2007

Release Date

Jun 2012

FireGL

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

868 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR4

Memory Type

DDR3

512bit

Memory Bus

128bit

111.1GB/s

Bandwidth

28.51GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.01 GPixel/s

Pixel Rate

7.216 GPixel/s

11.01 GTexel/s

Texture Rate

28.86 GTexel/s

-

440.3 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

159W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

GK107

R600 V8600

GPU Variant

GK107-300-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

1.27 billion

420 mm²

Die Size

118 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.0

Shader Model

5.1

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