ATI Radeon HD 4870 Mac Edition vs NVIDIA T400

VS

ATI Radeon HD 4870 Mac Edition NVIDIA T400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 80.00GB/s)

416 additional rendering cores

NVIDIA T400 's Advantages

Released 12 years and 4 months late

Boost Clock1425MHz

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +9%

1.2 TFLOPS

T400

1.094 TFLOPS

Radeon HD 4870 Mac Edition

VS

T400

Graphics Card

Jan 2009

Release Date

May 2021

Radeon R700

Generation

Quadro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

420 MHz

-

Boost Clock

1425 MHz

850 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

6

10

Compute Units

-

800

Shading Units

384

40

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

22.80 GPixel/s

30.00 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

1200 GFLOPS

FP32 (float)

1094 GFLOPS

240.0 GFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

RV770

GPU Name

TU117

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

55 nm

Process Size

12 nm

0.956 billion

Transistors

4.7 billion

256 mm²

Die Size

200 mm²

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

3x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

4.1

Shader Model

6.6

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