AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon HD 6870 1600SP Edition NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 9 months late

Larger VRAM bandwidth (134.4GB/s vs 91.87GB/s)

1312 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +204%

2.72 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon HD 6870 1600SP Edition

VS

GeForce GT 645 OEM

Graphics Card

Jan 2013

Release Date

Apr 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

134.4GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

20

Compute Units

-

1600

Shading Units

288

80

TMUs

48

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

9.312 GPixel/s

68.00 GTexel/s

Texture Rate

37.25 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

894.0 GFLOPS

544.0 GFLOPS

FP64 (double)

74.50 GFLOPS

Graphics Processor

Cypress

GPU Name

GF114

Cypress XT (215-0735033)

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.95 billion

334 mm²

Die Size

332 mm²

Board Design

175W

TDP

102W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon R9 FURY X vs AMD Radeon HD 6870 1600SP Edition

2

AMD Radeon HD 6870 1600SP Edition vs NVIDIA NVS 810

3

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon R9 380 OEM

4

AMD Radeon HD 6870 1600SP Edition vs ATI Radeon X1650 AGP

5

NVIDIA GeForce 9400 GT Rev. 3 vs AMD Radeon HD 6870 1600SP Edition

6

AMD Radeon HD 6870 1600SP Edition vs Intel Arc A380

7

NVIDIA GeForce 605 OEM vs AMD Radeon HD 6870 1600SP Edition

8

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon HD 6490

9

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 560DX

10

AMD Radeon HD 6870 1600SP Edition vs NVIDIA GeForce GTX 560 OEM

Related News

1

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

2

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

3

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

4

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales

5

Do You Really Know What a "Rendering Engine" Is? Read This Article to Understand All About It

6

New AMD Zen5 Ryzen 9000 Motherboards X870E/X870 to Adopt USB4! But You’ll Have to Wait Two More Months

7

Surpassing RTX 2050! Intel's Next-Gen Integrated Graphics Benchmark Closely Approaches AMD

8

New Benchmarks for AMD Ryzen AI 9 HX 370 Revealed: Single-Core Parity with R9 7945HX3D, Multi-Core Still Lower

9

X3D Performance Beyond Words! AMD Ryzen 7 9700X May Unlock Power Consumption: From 65W to 120W

10

First Benchmark Leak of Intel Core Ultra 7 268V: Single-Core Performance Soars by 20%, Still Lags Behind AMD