NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 8970 OEM

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon HD 8970 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 3GB VRAM Radeon HD 8970 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 250W)

AMD Radeon HD 8970 OEM 's Advantages

Released 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 91.87GB/s)

1760 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon HD 8970 OEM +323%

3.789 TFLOPS

GeForce GT 645 OEM

VS

Radeon HD 8970 OEM

Graphics Card

Apr 2012

Release Date

Jan 2013

GeForce 600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

957 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

91.87GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

6

SM Count

-

288

Shading Units

2048

48

TMUs

128

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

29.60 GPixel/s

37.25 GTexel/s

Texture Rate

118.4 GTexel/s

-

894.0 GFLOPS

FP32 (float)

3.789 TFLOPS

74.50 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

102W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF114

GPU Name

Tahiti

-

GPU Variant

Tahiti XT (215-0821060)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

4.313 billion

332 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 1080 Ti 10 GB

2

NVIDIA GeForce GT 645 OEM vs NVIDIA RTX 4500 Ada Generation

3

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce 510 OEM

4

NVIDIA GeForce GT 645 OEM vs Intel Arc A580

5

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 3050 6 GB

6

NVIDIA GeForce GT 645 OEM vs AMD Radeon R9 Nano

7

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 3070 Ti 8 GB GA102

8

NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 7510 OEM

9

NVIDIA GeForce GT 645 OEM vs ATI Radeon HD 3870

10

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce 6200

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