NVIDIA GeForce GTX 650 Ti Boost vs AMD Radeon HD 7990

VS

NVIDIA GeForce GTX 650 Ti Boost AMD Radeon HD 7990

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti Boost and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Boost Clock has increased by 3% (1032MHz vs 1000MHz)

Lower TDP (134W vs 375W)

AMD Radeon HD 7990 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 144.2GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti Boost

1.585 TFLOPS

Radeon HD 7990 +158%

4.096 TFLOPS

GeForce GTX 650 Ti Boost

VS

Radeon HD 7990

Graphics Card

Mar 2013

Release Date

Apr 2013

GeForce 600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

950 MHz

1032 MHz

Boost Clock

1000 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

Compute Units

32

768

Shading Units

2048

64

TMUs

128

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

16.51 GPixel/s

Pixel Rate

32.00 GPixel/s

66.05 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

1.585 TFLOPS

FP32 (float)

4.096 TFLOPS

66.05 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

GK106

GPU Name

Malta

GK106-240-A1

GPU Variant

Malta XT (215-0849026)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

4.313 billion

221 mm²

Die Size

365 mm²

Board Design

134W

TDP

375W

300 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 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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