AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GT 630 OEM

VS

AMD Radeon HD 7870 GHz Edition NVIDIA GeForce GT 630 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM GeForce GT 630 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 28.51GB/s)

1088 additional rendering cores

NVIDIA GeForce GT 630 OEM 's Advantages

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +661%

2.56 TFLOPS

GeForce GT 630 OEM

0.336 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GT 630 OEM

Graphics Card

Mar 2012

Release Date

Apr 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

192

80

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

3.500 GPixel/s

80.00 GTexel/s

Texture Rate

14.00 GTexel/s

-

FP16 (half)

-

2.560 TFLOPS

FP32 (float)

336.0 GFLOPS

160.0 GFLOPS

FP64 (double)

14.00 GFLOPS

Graphics Processor

Pitcairn

GPU Name

GK107

Pitcairn XT (215-0828047)

GPU Variant

GK107-301-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 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 Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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