NVIDIA GeForce GTX 680 Mac Edition vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce GTX 680 Mac Edition ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Boost Clock1058MHz

Larger VRAM bandwidth (192.3GB/s vs 106.0GB/s)

1216 additional rendering cores

Lower TDP (195W vs 240W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition +582%

3.25 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 680 Mac Edition

VS

Radeon HD 2900 XTX

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

192.3GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

Compute Units

4

1536

Shading Units

320

128

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

33.86 GPixel/s

Pixel Rate

11.89 GPixel/s

135.4 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

3.250 TFLOPS

FP32 (float)

475.5 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

R600

GK104-400-A2

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

3.54 billion

Transistors

0.72 billion

294 mm²

Die Size

420 mm²

Board Design

195W

TDP

240W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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