NVIDIA GeForce GTX 490 vs AMD Radeon HD 7950 Monica BIOS 2

VS

NVIDIA GeForce GTX 490

AMD Radeon HD 7950 Monica BIOS 2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 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

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 1536GB)

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

288 additional rendering cores

Lower TDP (85W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

Radeon HD 7950 Monica BIOS 2 +5%

1.229 TFLOPS

GeForce GTX 490

VS

Radeon HD 7950 Monica BIOS 2

Graphics Card

Unknown

Release Date

Jan 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

854 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

164.0GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

12

15

SM Count

-

480

Shading Units

768

60

TMUs

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

25.60 GPixel/s

36.48 GTexel/s

Texture Rate

38.40 GTexel/s

-

1166 GFLOPS

FP32 (float)

1229 GFLOPS

145.8 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

365W

TDP

85W

750 W

Suggested PSU

250 W

3x DVI 1x mini-DisplayPort

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF100

GPU Name

Tahiti

GF100-375-A3

GPU Variant

Tahiti PRO (215-0821056)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

4.313 billion

529 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.0

CUDA

-

5.1

Shader Model

5.1

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