AMD Radeon HD 7990 vs NVIDIA GeForce GTX 1080 Ti 10 GB

VS

AMD Radeon HD 7990 NVIDIA GeForce GTX 1080 Ti 10 GB

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 10GB VRAM GeForce GTX 1080 Ti 10 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 10 GB 's Advantages

Boost Clock has increased by 67% (1670MHz vs 1000MHz)

More VRAM (10GB vs 3GB)

Larger VRAM bandwidth (440.3GB/s vs 288.0GB/s)

1152 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

GeForce GTX 1080 Ti 10 GB +160%

10.69 TFLOPS

Radeon HD 7990

VS

GeForce GTX 1080 Ti 10 GB

Graphics Card

Apr 2013

Release Date

Unknown

Southern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1557 MHz

1000 MHz

Boost Clock

1670 MHz

1500 MHz

Memory Clock

1376 MHz

Memory

3GB

Memory Size

10GB

GDDR5

Memory Type

GDDR5X

384bit

Memory Bus

320bit

288.0GB/s

Bandwidth

440.3GB/s

Render Config

-

SM Count

25

32

Compute Units

-

2048

Shading Units

3200

128

TMUs

200

32

ROPs

80

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

768 KB

L2 Cache

0 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

133.6 GPixel/s

128.0 GTexel/s

Texture Rate

334.0 GTexel/s

-

FP16 (half)

167.0 GFLOPS

4.096 TFLOPS

FP32 (float)

10.69 TFLOPS

1024 GFLOPS

FP64 (double)

334.0 GFLOPS

Graphics Processor

Malta

GPU Name

GP102

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

4.313 billion

Transistors

11.8 billion

365 mm²

Die Size

471 mm²

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

6.1

5.1

Shader Model

6.7

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