NVIDIA RTX A1000 vs AMD Radeon HD 7990

VS

NVIDIA RTX A1000

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages

Released 11 years late

Boost Clock has increased by 46% (1462MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

256 additional rendering cores

Lower TDP (50W vs 375W)

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 192.0GB/s)

Score

Benchmark

FP32 (float)

RTX A1000 +64%

6.737 TFLOPS

Radeon HD 7990

4.096 TFLOPS

RTX A1000

VS

Radeon HD 7990

Graphics Card

Apr 2024

Release Date

Apr 2013

Quadro Ampere

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

727 MHz

Base Clock

950 MHz

1462 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

192.0GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

18

SM Count

-

2304

Shading Units

2048

72

TMUs

128

32

ROPs

32

72

Tensor Cores

-

18

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

46.78 GPixel/s

Pixel Rate

32.00 GPixel/s

105.3 GTexel/s

Texture Rate

128.0 GTexel/s

6.737 TFLOPS

FP16 (half)

-

6.737 TFLOPS

FP32 (float)

4.096 TFLOPS

105.3 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

50W

TDP

375W

250 W

Suggested PSU

750 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

GA107

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

8.7 billion

Transistors

4.313 billion

200 mm²

Die Size

365 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.7

Shader Model

5.1

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