AMD Radeon HD 6990 vs NVIDIA GeForce GTX 650 Ti OEM

VS

AMD Radeon HD 6990 NVIDIA GeForce GTX 650 Ti OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 2GB VRAM GeForce GTX 650 Ti OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 86.40GB/s)

768 additional rendering cores

NVIDIA GeForce GTX 650 Ti OEM 's Advantages

Released 2 years late

Lower TDP (110W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +78%

2.55 TFLOPS

GeForce GTX 650 Ti OEM

1.425 TFLOPS

Radeon HD 6990

VS

GeForce GTX 650 Ti OEM

Graphics Card

Mar 2011

Release Date

Mar 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

86.40GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

768

96

TMUs

64

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

14.85 GPixel/s

79.68 GTexel/s

Texture Rate

59.39 GTexel/s

-

FP16 (half)

-

2.550 TFLOPS

FP32 (float)

1425 GFLOPS

637.4 GFLOPS

FP64 (double)

59.39 GFLOPS

Graphics Processor

Antilles

GPU Name

GK106

Antilles XT (215-0807027)

GPU Variant

-

TeraScale 3

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

2.54 billion

389 mm²

Die Size

221 mm²

Board Design

375W

TDP

110W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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