AMD Radeon HD 7990 vs NVIDIA GeForce GTX 470 X2

VS

AMD Radeon HD 7990

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM GeForce GTX 470 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 107.1GB/s)

1696 additional rendering cores

NVIDIA GeForce GTX 470 X2 's Advantages

Lower TDP (215W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +379%

4.096 TFLOPS

GeForce GTX 470 X2

0.855 TFLOPS

Radeon HD 7990

VS

GeForce GTX 470 X2

Graphics Card

Apr 2013

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

837 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

107.1GB/s

Render Config

32

Compute Units

-

SM Count

11

2048

Shading Units

352

128

TMUs

44

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

13.38 GPixel/s

128.0 GTexel/s

Texture Rate

26.75 GTexel/s

-

4.096 TFLOPS

FP32 (float)

855.4 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

215W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

3x DVI

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Malta

GPU Name

GF100

Malta XT (215-0849026)

GPU Variant

GF100-030-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3.1 billion

365 mm²

Die Size

529 mm²

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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