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

VS

AMD Radeon HD 7950 Mac Edition

NVIDIA GeForce GT 630 Rev. 2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 2GB VRAM GeForce GT 630 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

NVIDIA GeForce GT 630 Rev. 2 's Advantages

Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition +313%

2.867 TFLOPS

GeForce GT 630 Rev. 2

0.693 TFLOPS

Radeon HD 7950 Mac Edition

VS

GeForce GT 630 Rev. 2

Graphics Card

Mar 2013

Release Date

May 2013

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

7.216 GPixel/s

89.60 GTexel/s

Texture Rate

28.86 GTexel/s

-

2.867 TFLOPS

FP32 (float)

692.7 GFLOPS

716.8 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

200W

TDP

25W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GK208

Tahiti PRO (215-0821056)

GPU Variant

GK208-301-A1

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.02 billion

352 mm²

Die Size

87 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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