NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Released 4 years and 11 months late

64 additional rendering cores

Lower TDP (25W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 630 Rev. 2 PCIe x8 +39%

0.693 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

VS

Radeon HD 3870 Mac Edition

Graphics Card

May 2013

Release Date

Jun 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1126 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR4

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

72.06GB/s

Render Config

-

SM Count

-

Compute Units

4

384

Shading Units

320

32

TMUs

16

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

7.216 GPixel/s

Pixel Rate

12.43 GPixel/s

28.86 GTexel/s

Texture Rate

12.43 GTexel/s

-

FP16 (half)

-

692.7 GFLOPS

FP32 (float)

497.3 GFLOPS

28.86 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

GK208

GPU Name

RV670

GK208-301-A1

GPU Variant

RV670 XT (215-0708005)

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.666 billion

87 mm²

Die Size

192 mm²

Board Design

25W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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