AMD Radeon HD 6970 X2 vs NVIDIA GeForce GTX 555 OEM

VS

AMD Radeon HD 6970 X2 NVIDIA GeForce GTX 555 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM GeForce GTX 555 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 91.87GB/s)

1248 additional rendering cores

NVIDIA GeForce GTX 555 OEM 's Advantages

Lower TDP (150W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +218%

2.703 TFLOPS

GeForce GTX 555 OEM

0.848 TFLOPS

Radeon HD 6970 X2

VS

GeForce GTX 555 OEM

Graphics Card

Unknown

Release Date

May 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

957 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

176.0GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

24

Compute Units

-

1536

Shading Units

288

96

TMUs

48

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

8.832 GPixel/s

84.48 GTexel/s

Texture Rate

35.33 GTexel/s

-

FP16 (half)

-

2.703 TFLOPS

FP32 (float)

847.9 GFLOPS

-

FP64 (double)

70.66 GFLOPS

Graphics Processor

Antilles

GPU Name

GF114

Antilles XT (215-0807027)

GPU Variant

GF114-200-KB-A1

TeraScale 3

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

1.95 billion

389 mm²

Die Size

332 mm²

Board Design

375W

TDP

150W

750 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

3x 8-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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