AMD Radeon HD 6950 vs NVIDIA GeForce GTX 780 Ti

VS

AMD Radeon HD 6950

NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

Lower TDP (200W vs 250W)

NVIDIA GeForce GTX 780 Ti 's Advantages

Released 2 years and 11 months late

Boost Clock928MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 160.0GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950

2.253 TFLOPS

GeForce GTX 780 Ti +137%

5.345 TFLOPS

Radeon HD 6950

VS

GeForce GTX 780 Ti

Graphics Card

Dec 2010

Release Date

Nov 2013

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

875 MHz

-

Boost Clock

928 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

336.6GB/s

Render Config

22

Compute Units

-

1408

Shading Units

2880

88

TMUs

240

32

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

55.68 GPixel/s

70.40 GTexel/s

Texture Rate

222.7 GTexel/s

-

2.253 TFLOPS

FP32 (float)

5.345 TFLOPS

563.2 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cayman

GPU Name

GK110B

Cayman PRO (215-0807019)

GPU Variant

GK110-425-B1

TeraScale 3

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

7.08 billion

389 mm²

Die Size

561 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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