NVIDIA GeForce GTX 660 OEM vs AMD Radeon HD 7950 Monica BIOS 1

VS

NVIDIA GeForce GTX 660 OEM AMD Radeon HD 7950 Monica BIOS 1

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 3GB VRAM Radeon HD 7950 Monica BIOS 1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 7 months late

Boost Clock888MHz

Lower TDP (130W vs 185W)

AMD Radeon HD 7950 Monica BIOS 1 's Advantages

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon HD 7950 Monica BIOS 1 +38%

2.842 TFLOPS

GeForce GTX 660 OEM

VS

Radeon HD 7950 Monica BIOS 1

Graphics Card

Aug 2012

Release Date

Jan 2012

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

134.4GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

Compute Units

24

1152

Shading Units

1536

96

TMUs

96

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

29.60 GPixel/s

85.25 GTexel/s

Texture Rate

88.80 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

2.842 TFLOPS

85.25 GFLOPS

FP64 (double)

710.4 GFLOPS

Graphics Processor

GK104

GPU Name

Tahiti

GK104-200-KD-A2

GPU Variant

Tahiti PRO (215-0821056)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

4.313 billion

294 mm²

Die Size

352 mm²

Board Design

130W

TDP

185W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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