NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs AMD Radeon HD 7950 Mac Edition

VS

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 and 3GB VRAM Radeon HD 7950 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

Lower TDP (25W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630 Rev. 2 PCIe x8

0.693 TFLOPS

Radeon HD 7950 Mac Edition +313%

2.867 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

VS

Radeon HD 7950 Mac Edition

Graphics Card

May 2013

Release Date

Mar 2013

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

14.40GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

32

TMUs

112

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

25.60 GPixel/s

28.86 GTexel/s

Texture Rate

89.60 GTexel/s

-

692.7 GFLOPS

FP32 (float)

2.867 TFLOPS

28.86 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

25W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GK208

GPU Name

Tahiti

GK208-301-A1

GPU Variant

Tahiti PRO (215-0821056)

Kepler 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

4.313 billion

87 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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