AMD Radeon HD 6870 X2 vs NVIDIA T1000

VS

AMD Radeon HD 6870 X2

NVIDIA T1000

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 4GB VRAM T1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

224 additional rendering cores

NVIDIA T1000 's Advantages

Released 9 years and 10 months late

Boost Clock1395MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

T1000 +24%

2.5 TFLOPS

Radeon HD 6870 X2

VS

T1000

Graphics Card

Jul 2011

Release Date

May 2021

Northern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1065 MHz

-

Boost Clock

1395 MHz

1050 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

-

SM Count

14

1120

Shading Units

896

56

TMUs

56

32

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

44.64 GPixel/s

50.40 GTexel/s

Texture Rate

78.12 GTexel/s

-

FP16 (half)

5.000 TFLOPS

2.016 TFLOPS

FP32 (float)

2.500 TFLOPS

-

FP64 (double)

78.12 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

4x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

TU117

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

4.7 billion

255 mm²

Die Size

200 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.6

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