AMD Radeon HD 6770 vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon HD 6770

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 64.00GB/s)

224 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 2 years and 3 months late

Lower TDP (65W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 +43%

1.36 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon HD 6770

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2011

Release Date

Apr 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

-

800

Shading Units

576

40

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

9.888 GPixel/s

34.00 GTexel/s

Texture Rate

39.55 GTexel/s

-

1360 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Board Design

108W

TDP

65W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

GK106

Juniper XT (215-0754013)

GPU Variant

GK106-200-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.54 billion

166 mm²

Die Size

221 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon HD 6770 vs ATI Radeon HD 4750

2

AMD Radeon HD 6770 vs NVIDIA GeForce GT 610

3

AMD Radeon HD 6770 vs NVIDIA GeForce RTX 3050 8 GB GA107

4

AMD Radeon HD 6770 vs ATI Radeon HD 4580

5

AMD Radeon HD 6770 vs AMD Radeon R7 450 OEM

6

AMD Radeon HD 6770 vs AMD Radeon HD 8730 OEM

7

AMD Radeon HD 6770 vs AMD Radeon RX 6700

8

AMD Radeon HD 6770 vs NVIDIA GeForce RTX 3060 Ti

9

AMD Radeon HD 6770 vs NVIDIA GeForce 9600 GT

10

AMD Radeon HD 6770 vs ATI Radeon HD 5690

Related News

1

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

2

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

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

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

5

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

6

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

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption