NVIDIA GeForce GTX 650 vs AMD Radeon HD 7950 Monica BIOS 2

VS

NVIDIA GeForce GTX 650

AMD Radeon HD 7950 Monica BIOS 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 and 3GB VRAM Radeon HD 7950 Monica BIOS 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 's Advantages

Released 8 months late

Lower TDP (65W vs 85W)

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 80.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650

0.812 TFLOPS

Radeon HD 7950 Monica BIOS 2 +51%

1.229 TFLOPS

GeForce GTX 650

VS

Radeon HD 7950 Monica BIOS 2

Graphics Card

Sep 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

-

1250 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

80.00GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

12

-

384

Shading Units

768

32

TMUs

48

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

25.60 GPixel/s

33.86 GTexel/s

Texture Rate

38.40 GTexel/s

-

812.5 GFLOPS

FP32 (float)

1229 GFLOPS

33.86 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

65W

TDP

85W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.4a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK107

GPU Name

Tahiti

GK107-450-A2

GPU Variant

Tahiti PRO (215-0821056)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

4.313 billion

118 mm²

Die Size

352 mm²

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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