ATI Radeon HD 2900 XTX vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 14.40GB/s)

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

More VRAM (2GB vs 512GB)

64 additional rendering cores

Lower TDP (25W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8 +45%

0.693 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Unknown

Release Date

May 2013

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

828 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

16

TMUs

32

16

ROPs

8

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

7.216 GPixel/s

11.89 GTexel/s

Texture Rate

28.86 GTexel/s

-

475.5 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

240W

TDP

25W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

GK208

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GK208-301-A1

TeraScale

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

1.02 billion

420 mm²

Die Size

87 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.0

Shader Model

5.1

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