NVIDIA GeForce GTX 950 vs AMD Radeon HD 7990

VS

NVIDIA GeForce GTX 950

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 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 950 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 19% (1188MHz vs 1000MHz)

Lower TDP (90W vs 375W)

AMD Radeon HD 7990 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 105.8GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

Radeon HD 7990 +124%

4.096 TFLOPS

GeForce GTX 950

VS

Radeon HD 7990

Graphics Card

Aug 2015

Release Date

Apr 2013

GeForce 900

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1024 MHz

Base Clock

950 MHz

1188 MHz

Boost Clock

1000 MHz

1653 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

105.8GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

768

Shading Units

2048

48

TMUs

128

32

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

32.00 GPixel/s

57.02 GTexel/s

Texture Rate

128.0 GTexel/s

-

1.825 TFLOPS

FP32 (float)

4.096 TFLOPS

57.02 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

90W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GM206

GPU Name

Malta

GM206-250-A1

GPU Variant

Malta XT (215-0849026)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.94 billion

Transistors

4.313 billion

228 mm²

Die Size

365 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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