AMD Radeon HD 7950 Mac Edition vs NVIDIA RTX A1000

VS

AMD Radeon HD 7950 Mac Edition NVIDIA RTX A1000

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 8GB VRAM RTX A1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 192.0GB/s)

NVIDIA RTX A1000 's Advantages

Released 11 years and 1 months late

Boost Clock1462MHz

More VRAM (8GB vs 3GB)

512 additional rendering cores

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Mac Edition

2.867 TFLOPS

RTX A1000 +134%

6.737 TFLOPS

Radeon HD 7950 Mac Edition

VS

RTX A1000

Graphics Card

Mar 2013

Release Date

Apr 2024

Southern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

727 MHz

-

Boost Clock

1462 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

18

28

Compute Units

-

1792

Shading Units

2304

112

TMUs

72

32

ROPs

32

-

Tensor Cores

72

-

RT Cores

18

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

2 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

46.78 GPixel/s

89.60 GTexel/s

Texture Rate

105.3 GTexel/s

-

FP16 (half)

6.737 TFLOPS

2.867 TFLOPS

FP32 (float)

6.737 TFLOPS

716.8 GFLOPS

FP64 (double)

105.3 GFLOPS

Graphics Processor

Tahiti

GPU Name

GA107

Tahiti PRO (215-0821056)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

8.7 billion

352 mm²

Die Size

200 mm²

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.7

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