NVIDIA GeForce GT 645 OEM vs AMD FireStream 9250

VS

NVIDIA GeForce GT 645 OEM

AMD FireStream 9250

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 3 years and 10 months late

Larger VRAM bandwidth (91.87GB/s vs 63.55GB/s)

Lower TDP (102W vs 150W)

AMD FireStream 9250 's Advantages

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

FireStream 9250 +11%

1 TFLOPS

GeForce GT 645 OEM

VS

FireStream 9250

Graphics Card

Apr 2012

Release Date

Jun 2008

GeForce 600

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

993 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

63.55GB/s

Render Config

-

Compute Units

10

6

SM Count

-

288

Shading Units

800

48

TMUs

40

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

10.00 GPixel/s

37.25 GTexel/s

Texture Rate

25.00 GTexel/s

-

894.0 GFLOPS

FP32 (float)

1000 GFLOPS

74.50 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

102W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI

-

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

RV770

-

GPU Variant

RV770 PRO

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.956 billion

332 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 260 Core 216

2

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 3060 8 GB GA104

3

NVIDIA GeForce GT 645 OEM vs NVIDIA CMP 170HX

4

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 1630

5

NVIDIA GeForce GT 645 OEM vs AMD Radeon RX 5300

6

NVIDIA GeForce GT 645 OEM vs AMD Radeon Pro V340

7

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 1070

8

NVIDIA GeForce GT 645 OEM vs AMD Radeon RX Vega 56

9

NVIDIA GeForce GT 645 OEM vs ATI Radeon HD 3650 AGP

10

NVIDIA GeForce GT 645 OEM vs AMD Radeon HD 8470 OEM

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