AMD Radeon HD 7870 XT vs NVIDIA GeForce GT 630 Rev. 2

VS

AMD Radeon HD 7870 XT NVIDIA GeForce GT 630 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT 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 7870 XT 's Advantages

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 14.40GB/s)

1152 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 's Advantages

Released 6 months late

Lower TDP (25W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +332%

2.995 TFLOPS

GeForce GT 630 Rev. 2

0.693 TFLOPS

Radeon HD 7870 XT

VS

GeForce GT 630 Rev. 2

Graphics Card

Nov 2012

Release Date

May 2013

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

384

96

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

7.216 GPixel/s

93.60 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP16 (half)

-

2.995 TFLOPS

FP32 (float)

692.7 GFLOPS

748.8 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

Tahiti

GPU Name

GK208

Tahiti LE (215-0821122)

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

Board Design

185W

TDP

25W

450 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 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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