AMD Radeon HD 7950 Boost vs NVIDIA GeForce GTX 490

VS

AMD Radeon HD 7950 Boost NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Boost Clock925MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 164.0GB/s)

1312 additional rendering cores

Lower TDP (200W vs 365W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost +184%

3.315 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon HD 7950 Boost

VS

GeForce GTX 490

Graphics Card

Jun 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

854 MHz

Memory

3GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

164.0GB/s

Render Config

-

SM Count

15

28

Compute Units

-

1792

Shading Units

480

112

TMUs

60

32

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

768 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

18.24 GPixel/s

103.6 GTexel/s

Texture Rate

36.48 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

1166 GFLOPS

828.8 GFLOPS

FP64 (double)

145.8 GFLOPS

Graphics Processor

Tahiti

GPU Name

GF100

Tahiti PRO2 (215-0821282)

GPU Variant

GF100-375-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3.1 billion

352 mm²

Die Size

529 mm²

Board Design

200W

TDP

365W

550 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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