NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 5870 Eyefinity 6

VS

NVIDIA GeForce GTX 645 OEM

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 2GB VRAM Radeon HD 5870 Eyefinity 6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 3 years and 1 months late

Lower TDP (65W vs 228W)

ATI Radeon HD 5870 Eyefinity 6 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon HD 5870 Eyefinity 6 +186%

2.72 TFLOPS

GeForce GTX 645 OEM

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Apr 2013

Release Date

Mar 2010

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

576

Shading Units

1600

48

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

27.20 GPixel/s

39.55 GTexel/s

Texture Rate

68.00 GTexel/s

-

949.2 GFLOPS

FP32 (float)

2.720 TFLOPS

39.55 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

65W

TDP

228W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

6x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK106

GPU Name

Cypress

GK106-200-A1

GPU Variant

Cypress XT (215-0735033)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

2.154 billion

221 mm²

Die Size

334 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA GeForce GTX 645 OEM vs AMD Radeon R9 380 OEM

2

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 750 GM206

3

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GT 1010 DDR4

4

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GT 330 OEM

5

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce G100 OEM

6

NVIDIA GeForce GTX 645 OEM vs NVIDIA NVS 310

7

NVIDIA GeForce GTX 645 OEM vs NVIDIA RTX 2000 Ada Generation

8

NVIDIA GeForce GTX 645 OEM vs ATI Radeon X1050

9

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 1060 3 GB

10

NVIDIA GeForce GTX 645 OEM vs ATI FireGL V7600

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps