NVIDIA GeForce GTX 780 Ti Engineering Sample vs ATI Radeon HD 2900 PRO

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

ATI Radeon HD 2900 PRO

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 512MB VRAM Radeon HD 2900 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Boost Clock928MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 51.20GB/s)

2560 additional rendering cores

ATI Radeon HD 2900 PRO 's Advantages

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +1291%

5.345 TFLOPS

Radeon HD 2900 PRO

0.384 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon HD 2900 PRO

Graphics Card

Unknown

Release Date

Dec 2007

GeForce 700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

4

-

2880

Shading Units

320

240

TMUs

16

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

128 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

9.600 GPixel/s

222.7 GTexel/s

Texture Rate

9.600 GTexel/s

-

5.345 TFLOPS

FP32 (float)

384.0 GFLOPS

222.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

200W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GK180

GPU Name

R600

GK180-425-A1

GPU Variant

R600 PRO (215RGMDKA13FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

7.08 billion

Transistors

0.72 billion

561 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.2.175

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.0

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