NVIDIA GeForce GTX 260 Rev. 2 vs AMD Radeon HD 7990

VS

NVIDIA GeForce GTX 260 Rev. 2

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 Rev. 2 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 260 Rev. 2 's Advantages

Lower TDP (182W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 4 years and 9 months late

Boost Clock1000MHz

More VRAM (3GB vs 896GB)

Larger VRAM bandwidth (288.0GB/s vs 111.9GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 260 Rev. 2

0.477 TFLOPS

Radeon HD 7990 +758%

4.096 TFLOPS

GeForce GTX 260 Rev. 2

VS

Radeon HD 7990

Graphics Card

Jul 2008

Release Date

Apr 2013

GeForce 200

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

999 MHz

Memory Clock

1500 MHz

Memory

896MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

384bit

111.9GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

24

SM Count

-

192

Shading Units

2048

64

TMUs

128

28

ROPs

32

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

768 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

32.00 GPixel/s

36.86 GTexel/s

Texture Rate

128.0 GTexel/s

-

476.9 GFLOPS

FP32 (float)

4.096 TFLOPS

59.62 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

182W

TDP

375W

450 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GT200B

GPU Name

Malta

G200-103-B3

GPU Variant

Malta XT (215-0849026)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

4.313 billion

470 mm²

Die Size

365 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

5.1

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