AMD Radeon HD 7990 vs NVIDIA T1000

VS

AMD Radeon HD 7990

NVIDIA T1000

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 4GB VRAM T1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 160.0GB/s)

1152 additional rendering cores

NVIDIA T1000 's Advantages

Released 8 years and 1 months late

Boost Clock has increased by 40% (1395MHz vs 1000MHz)

More VRAM (4GB vs 3GB)

Lower TDP (50W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +63%

4.096 TFLOPS

T1000

2.5 TFLOPS

Radeon HD 7990

VS

T1000

Graphics Card

Apr 2013

Release Date

May 2021

Southern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1065 MHz

1000 MHz

Boost Clock

1395 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

-

SM Count

14

2048

Shading Units

896

128

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

44.64 GPixel/s

128.0 GTexel/s

Texture Rate

78.12 GTexel/s

-

FP16 (half)

5.000 TFLOPS

4.096 TFLOPS

FP32 (float)

2.500 TFLOPS

1024 GFLOPS

FP64 (double)

78.12 GFLOPS

Board Design

375W

TDP

50W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

TU117

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

4.7 billion

365 mm²

Die Size

200 mm²

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

7.5

5.1

Shader Model

6.6

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